Shop Lab Grown Diamond Necklace
Delicate, dazzling, and ethically made—our lab-grown diamond necklace brings timeless elegance to your everyday and special moments. Whether you prefer a minimalist pendant or a bold statement piece, each necklace is designed to elevate your style with a touch of brilliance.
At The Karat Store, we use only solid 14K & 18K gold and IGI-certified lab-grown diamonds, offering the same fire, clarity, and beauty as mined diamonds—without the environmental or ethical impact. Every necklace is handcrafted and made to last, combining conscious luxury with refined design. Enjoy free insured shipping across the Singapore, tamper-proof packaging, and full certification with every order.
14k Solid Gold Oval Diamond Pendant Simple Anniversary Gift Necklace For Women
Celebrate love with the 14K Solid Gold Oval Diamond Pendant Necklace, an elegant anniversary gift for her. This beautiful pendant features a stunning oval-cut diamond with VS-SI clarity and IJ color, set in your choice of white, rose, or yellow gold. Certified BIS Hallmarked for authenticity, this necklace is shipped within 10-12 business days, with live chat and video call customer support available for any inquiries. Perfect for marking a special occasion or simply expressing your love.
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14k Solid Gold Stunning Diamond Line Pave Necklace: Flat Octagonal Emerald Shape
A stunning 14k solid gold necklace featuring a flat octagonal emerald-shaped charm with 0.13 carats of pave diamonds. Available in white, rose, or yellow gold. BIS Hallmarked for authenticity. Perfect for adding sophistication to any look.
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14K Solid Gold Two-in-One Diamond and Emerald Lariat Necklace
Versatile 14K solid gold two-in-one lariat necklace featuring diamonds and emeralds—crafted for modern elegance, sparkle, and rich color.
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14k Solid Yellow Gold Pave Diamond Moon Necklace: Dainty Celestia Charm
A delicate 14k solid gold moon necklace featuring 0.25 carats of pave diamonds. Available in white, rose, or yellow gold. IGI Certified for authenticity. Perfect for adding a celestial touch to any look.
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18k Gold Lab-Created Diamond Bezel Pendant Necklace
This stunning 18k Solid Gold Lab-Created Diamond Bezel Pendant Necklace features 12 baguette diamonds and 8 round diamonds, totaling 0.55 carats. With a prong setting, it's available in white, rose, or yellow gold. Certified with BIS Hallmark for authenticity, it combines elegance and craftsmanship. Enjoy fast shipping (10-12 business days) and customer support via live chats and video calls.
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18k Gold Lab-Created Diamond Solitaire Pendant Necklace
A 18k gold solitaire pendant necklace featuring a 5.50-carat lab-created diamond in a 17-inch basket 3-prong Riviera setting. BIS Hallmarked.
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18k Gold Bar Bezel Diamond Necklace
This 18k Gold Bar Bezel Diamond Necklace features 2.01 cts of lab-grown diamonds, each with VS1 clarity and F color. The diamonds are set in a sleek gold bar, protected by bezel settings for a smooth, refined look. With a polished finish, this modern, minimalist necklace is perfect for everyday wear or as an elegant addition to layered looks.
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18k Gold Bar Snake Diamond Necklace
The 18k Gold Bar Snake Diamond Necklace features 0.41 cts of lab-grown diamonds, offering VS1 clarity and F color. The diamonds are elegantly set along a gold bar with a subtle snake-like curve, creating a modern and distinctive look. With its polished finish, this necklace combines unique design with everyday elegance, perfect for any occasion.
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18k Gold Bezel Diamond Cuban Link Chain Necklace
Elevate your look with the 18k Gold Bezel Diamond Cuban Link Chain Necklace. Made from premium 18k gold, this necklace features 0.29 cts of F color lab-grown diamonds set in a classic Cuban link design. Elegantly presented in a Karat Store Jewelry box, it’s perfect for gifting or adding a touch of luxury to your collection.
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18k Gold Bezel Diamond Graduated Half Tennis Necklace
The 18k Gold Bezel Diamond Graduated Half Tennis Necklace features 1.15 carats of lab-grown diamonds set in a classic graduated design. Crafted from premium 18kT gold, this necklace offers a sophisticated touch with its bezel settings and polished finish. Presented in a Karat Store Jewelry box, it’s ideal for gifting or enhancing your collection with timeless elegance.
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18k Gold Bezel Diamond Paperclip Clasp Pendant
Enhance your elegance with our 18k Gold Bezel Diamond Paperclip Clasp Pendant. Featuring a brilliant 0.08 ct lab-grown diamond in VS1 clarity and F color, this pendant exudes sophistication. The unique paperclip clasp design symbolizes connection and strength, while the polished finish highlights the gold’s natural luster. Elegantly presented in a Karat Store Jewelry box, it’s ideal for gifting or adding to your collection.
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18k Gold Buttercup Diamond Tennis Necklace
The 18k Gold Buttercup Diamond Tennis Necklace features dazzling 3.00-carat lab grown diamonds set in a classic buttercup design. Measuring 16.5 inches, this luxurious necklace offers timeless elegance and sophistication, perfect for special occasions or elevating everyday attire.
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18k Gold Coral Shape Diamond Charm
The 18k Gold Coral Shape Diamond Charm features a stunning coral design adorned with lab-grown diamonds of VS1 clarity and F color. Crafted from polished 18k gold, this charm captures the elegance of the ocean while adding a touch of luxury. Perfect for adding a coastal-inspired accent to any outfit, it’s a versatile piece for everyday wear or special occasions. Packaged in a The Karat Store jewelry box.
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18k Gold Diamond Baguette Cut Lab Grown Necklace
The 18k Gold Diamond Baguette Cut Lab Grown Necklace features a 0.71 ct lab-grown diamond with a sleek baguette cut, VS1 clarity, and F color. Suspended from a delicate 18kT gold chain, this necklace offers a modern and elegant touch, perfect for any occasion.
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18k Gold Diamond Baguette Illusion Necklace
The 18k Gold Diamond Baguette Illusion Necklace features a stunning baguette-cut diamond pendant set with lab-grown diamonds of VS1 clarity and F color. Crafted from polished 18k gold, this necklace offers a sophisticated illusion of multiple diamonds, adding a touch of luxury and elegance to any outfit. Packaged in a The Karat Store jewelry box.
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18k Gold Diamond Bar Pattern Necklace
The 18k Gold Diamond Bar Pattern Necklace features a sleek bar pendant adorned with lab-grown diamonds of VS1 clarity and F color. Crafted from high-quality 18k gold, this necklace offers a modern and sophisticated design, perfect for elevating any outfit. Ideal for both everyday wear and special occasions. Packaged in a The Karat Store jewelry box.
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18k Gold Diamond Bezel Shell Charm Pendant
The 18k Gold Diamond Bezel Shell Charm Pendant features a 0.08 ct lab grown diamond set in a bezel, highlighting the delicate shell design. Polished to a high shine, this nature-inspired pendant adds a touch of luxury and elegance to any outfit.
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18k Gold Diamond Clover Necklace
The 18k Gold Diamond Clover Necklace showcases a clover design with 1.38 cts of pear-shaped lab grown diamonds and 0.43 cts of round lab grown diamonds. Crafted in 18kT gold, it combines elegance with a touch of whimsy.
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18k Gold Diamond Flower Necklace
The 18k Gold Diamond Flower Necklace showcases a delicate flower design with lab-grown diamonds, set in premium 18kT gold. The necklace features diamonds with VS1 clarity and F color, offering a subtle yet captivating sparkle. Polished to a high sheen and elegantly presented in a Karat Store Jewelry box, it's ideal for gifting or adding a touch of elegance to your collection.
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18k Gold Diamond Half Moon and Stars Locket Pendant
The 18k Gold Diamond Half Moon and Stars Locket Pendant features 0.16 carats of lab grown diamonds arranged in a celestial half moon and stars design. This elegant locket pendant combines charm and functionality, offering a sophisticated accessory that can hold cherished memories.
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18k Gold Diamond Heart Ball Chain Necklace
Elevate your style with the 18k Gold Diamond Heart Ball Chain Necklace. Made from premium 18k gold, this necklace features a heart-shaped pendant set with F color lab-grown diamonds. Elegantly presented in a Karat Store Jewelry box, it’s a perfect gift or a stylish addition to your collection.
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18k Gold Diamond Love Necklace
Show your love with the 18k Gold Diamond Love Necklace. Made from premium 18k gold, this necklace features 0.09 cts of F color lab-grown diamonds in a “Love” pendant. It’s elegantly presented in a Karat Store Jewelry box, making it a perfect gift or a beautiful addition to your collection.
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18k Gold Diamond Mamas Necklace
The 18k Gold Diamond Mamas Necklace features the word "Mamas" in a flowing script, embellished with 0.35 cts of lab grown diamonds. Crafted in 18kT gold, this piece combines elegance with heartfelt meaning.
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18k Gold Diamond Marquise Clover Spaced Necklace
The 18k Gold Diamond Marquise Clover Spaced Necklace features stunning marquise lab grown diamonds totaling 1.37 carats, set in a clover motif. Adjustable from 14 to 16 inches, this elegant necklace offers a sophisticated touch to any outfit, perfect for both casual and formal occasions.
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18k Gold Diamond Mother of Pearl Cloud Pendant
The 18k Gold Diamond Mother of Pearl Cloud Pendant features 0.17 cts of lab-grown diamonds with VS1 clarity and F color, paired with 6.70 cts of lustrous mother of pearl. Measuring 17x26mm, this exquisite pendant is elegantly presented in a Karat Store Jewelry box, ideal for gifting or personal wear.
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18k Gold Diamond Multi Trio Necklace
This 18k gold necklace showcases multiple sets of three lab-grown diamonds, each with VS1 clarity and F color. The sophisticated arrangement of diamond trios along a delicate gold chain combines timeless elegance with modern sophistication. Polished to a high shine, it’s perfect for adding a touch of luxury to any outfit.
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18k Gold Diamond Mushroom Charm
This 18k Gold Diamond Mushroom Charm combines playful design with sophisticated craftsmanship. Featuring lab-grown diamonds with VS1 clarity and F color, this charm is both unique and elegant. The 18k gold setting enhances the charm's whimsical mushroom shape, making it a delightful addition to any jewelry collection.
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18k Gold Diamond Ohm Necklace
The 18k Gold Diamond Ohm Necklace features a delicate Ohm symbol adorned with a 0.19-carat lab grown diamond. Adjustable from 14 to 16 inches, this elegant piece adds a spiritual touch to your jewelry collection, making it a versatile accessory for everyday wear or special occasions.
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18k Gold Diamond Oval Lab Grown Necklace
The 18k Gold Diamond Oval Lab Grown Necklace features a 0.73 ct lab-grown oval diamond with VS1 clarity and F color. Suspended from a delicate 18kT gold chain, this elegant necklace offers a sophisticated look, perfect for both everyday wear and special occasions.
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18k Gold Diamond Pear Half Tennis Necklace
The 18k Gold Diamond Pear Half Tennis Necklace features 1.95 carats of lab-grown diamonds in a stunning pear shape. Set in premium 18kT gold, this necklace offers a sophisticated design with a high-shine finish. It is elegantly presented in a Karat Store Jewelry box, making it ideal for gifting or enhancing your jewelry collection with a touch of luxury.
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18k Gold Diamond Pear Lab Grown Necklace
The 18k Gold Diamond Pear Lab Grown Necklace features 0.69 cts of lab-grown pear-shaped diamonds with VS1 clarity and F color. The elegant design showcases a single pear diamond suspended from a delicate 18kT gold chain, offering a refined and luxurious touch suitable for any occasion.
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18k Gold Diamond Prong Shaped Necklace
This 18k Gold Diamond Prong Shaped Necklace features 0.69 cts of lab-grown diamonds, with VS1 clarity and F color. The unique prong setting highlights each diamond's brilliance, creating a contemporary design that is both functional and artistic. With a polished finish, this necklace exudes versatility and elegance, perfect for both everyday wear and special occasions.
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18k Gold Diamond Puff Link Necklace
The 18k Gold Diamond Puff Link Necklace features 2.03 carats of lab-grown diamonds in a chic puff link design. Crafted from premium 18kT gold, this elegant necklace combines modern sophistication with sparkling brilliance. Polished to a high shine and elegantly presented in a Karat Store Jewelry box, it's ideal for gifting or adding a touch of luxury to your collection.
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18k Gold Diamond Puff Link Necklace
Elevate your style with the 18k Gold Diamond Puff Link Necklace. Crafted from premium 18k gold, this elegant necklace features 0.28 cts of lab-grown diamonds with VS1 clarity and F color, arranged in a modern puff link design. Perfectly presented in a Karat Store Jewelry box, it’s ideal for gifting or enhancing your collection.
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18k Gold Diamond Rectangle Octagon Ball Necklace
The 18k Gold Diamond Rectangle Octagon Ball Necklace features lab-grown diamonds in a unique design combining rectangular and octagonal elements with a ball pendant. Crafted from premium 18kT gold, this necklace offers a modern and stylish look with a touch of elegance. Polished to a high shine and presented in a Karat Store Jewelry box, it’s ideal for gifting or adding to your collection.
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18k Gold Diamond Seashell Charm
This 18k Gold Diamond Seashell Charm features lab-grown diamonds with VS1 clarity and F color, beautifully set in a delicate seashell design. Crafted with care, this charm captures the essence of coastal beauty and luxury, making it a perfect addition to your jewelry collection. Ideal for ocean lovers, it’s a versatile piece that adds a touch of elegance to any outfit.
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18k Gold Diamond Tennis Necklace
This 18k Gold Diamond Tennis Necklace features 5.00cts of lab-grown diamonds with VS1 clarity and F color, offering exceptional brilliance. Measuring 16 inches in length and 2mm in width, this elegant necklace is a classic piece that radiates sophistication. Perfect for adding a touch of luxury to any outfit, it comes beautifully packaged in The Karat Store jewelry box.
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18k Gold Diamond Trio Necklace
This 18k gold necklace features a stunning trio of lab-grown diamonds, each with VS1 clarity and F color. The elegant design highlights the diamonds’ brilliant sparkle and is perfect for any occasion, from everyday wear to special events. Crafted from premium gold, this necklace offers timeless sophistication and lasting beauty.
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18k Gold Four Prong Pear Diamond Choker Tennis Necklace
This 18k gold Four Prong Pear Diamond Choker Tennis Necklace features 1.80 cts of lab-grown pear-shaped diamonds, set in a four-prong design. With VS1 clarity and F color, the diamonds sparkle beautifully along the adjustable 16-18" chain. Polished to a high shine, this elegant choker is perfect for adding a touch of luxury to any outfit.
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18k Gold Graduated Bezel Round Multi Diamond Necklace
This 18k Gold Graduated Bezel Round Multi Diamond Necklace showcases 0.30 cts of lab-grown diamonds, featuring VS1 clarity and F color. The diamonds are arranged in a graduated pattern, set in protective gold bezels. With a polished finish, this necklace exudes elegance, making it perfect for both everyday wear and special occasions.
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18k Gold Graduated Buttercup Diamond Tennis Necklace
The 18k Gold Graduated Buttercup Diamond Tennis Necklace is a luxurious statement piece featuring 5.50 cts of lab-grown diamonds. This 18-inch necklace showcases a graduated design with buttercup settings, enhancing the brilliance of each diamond, making it perfect for elegant occasions.
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18k Gold Heart Diamond Necklace
The 18k Gold Heart Diamond Necklace showcases 0.35 cts of lab-grown diamonds in a heart-shaped design. Sold as a single, it offers a blend of elegance and affection.
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18k Gold Initial Diamond Charm
This 18k Gold Initial Diamond Charm features a personalized initial adorned with lab-grown diamonds of VS1 clarity and F color. Crafted from polished 18k gold, this charm adds a touch of luxury and personal significance to any jewelry collection. Ideal for everyday wear or special occasions, it’s a thoughtful gift or a cherished personal accessory. Packaged in a The Karat Store jewelry box.
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18k Gold Lab Grown Diamond Baguette Necklace
The 18k Gold Lab Grown Diamond Baguette Necklace features 0.54 cts of lab-grown diamonds with VS1 clarity and F color. The sleek design showcases elegant baguette-cut diamonds set in a premium gold chain, offering a refined and sophisticated look. Polished to a high shine, this necklace is ideal for adding a touch of luxury to any outfit.
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18k Gold Lab Grown Diamond Heart Necklace
The 18k Gold Lab Grown Diamond Heart Necklace features a 1 ct heart-shaped diamond with VS1 clarity and F color. Its simple yet elegant design makes it a timeless gift or a beautiful personal piece. Customization and color upgrades available.
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18k Gold Lab Grown Diamond Multi Heart and Pear Drop Necklace
The 18k Gold Lab Grown Diamond Multi Heart and Pear Drop Necklace showcases 1.22 cts of heart diamonds and 0.48 cts of pear diamonds. Crafted with premium gold, this elegant design combines romance and sophistication, perfect for any occasion.
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18k Gold Lab Grown Diamond Multi Heart Drop Necklace
The 18k Gold Lab Grown Diamond Multi Heart Drop Necklace features 2.66 cts of heart-shaped diamonds in a striking drop design. This romantic piece, crafted with premium materials, is ideal for expressing love and elegance.
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18k Gold Lab Grown Diamond Multi Marquise Drop Necklace
The 18k Gold Lab Grown Diamond Multi Marquise Drop Necklace features 1.55cts of high-quality marquise diamonds in an elegant drop design. Ideal for both formal and casual settings.
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18k Gold Lab Grown Diamond Multi Pear Drop Necklace
The 18k Gold Multi Pear Drop Necklace features 2.33 cts of lab-grown diamonds, each with VS1 clarity and F color. The necklace showcases multiple pear-shaped diamonds elegantly suspended from a delicate gold chain, creating a captivating cascade of brilliance. Crafted from premium 18kT gold and polished to a high shine, this necklace is a stunning statement piece perfect for special occasions.
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18k Gold Lab Grown Diamond Multi Shape Necklace
The 18k Gold Lab Grown Diamond Multi Shape Necklace features 0.59-carat emerald and pear-shaped lab-grown diamonds. This elegant necklace, measuring 14 inches with a 2-inch extension, combines modern design with sustainable luxury, making it a versatile and chic addition to any jewelry collection.
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18k Gold Lab Grown Diamond Multi Shape Necklace
This 18k Gold Lab Grown Diamond Multi Shape Necklace features 0.54 ct of baguette diamonds in various shapes, creating a captivating and contemporary design. Versatile for any occasion.
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18k Gold Lariat Double Marquise Diamond Necklace
The 18k Gold Lariat Double Marquise Diamond Necklace features two marquise-cut lab-grown diamonds (0.38 cts) set in a sleek lariat design. Adjustable in length, it’s polished to a high shine, enhancing the diamonds’ brilliance. Presented in a Karat Store Jewelry box, this necklace is ideal for gifting or personal wear.
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18k Gold Lines Fluted Disc Diamond Necklace
The 18k Gold Lines Fluted Disc Diamond Necklace features a modern disc pendant with a fluted design and lab-grown diamonds of VS1 clarity and F color. Crafted from polished 18k gold, this necklace offers a contemporary and elegant look, ideal for enhancing both everyday outfits and special occasions. Packaged in a The Karat Store jewelry box.
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18k Gold Love Diamond Pendant
The 18k Gold Love Diamond Pendant features lab-grown diamonds with VS1 clarity and F color, elegantly crafted in a "Love" script design. This pendant is a beautiful expression of affection, combining luxury and sustainability. Perfect for daily wear or special occasions, it’s a meaningful addition to any jewelry collection. Packaged in a The Karat Store jewelry box.
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18k Gold Mini Prong Diamond Tennis Necklace
Elevate your elegance with our 18k Gold Mini Prong Diamond Tennis Necklace. Adorned with 3.60 carats of lab-grown diamonds in VS1 clarity and F color, this necklace radiates sophistication and charm. Crafted from premium 18kT gold, it offers a refined touch to any ensemble. Presented in a Karat Store Jewelry box, it’s perfect for gifting or as a luxurious addition to your collection.
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18k Gold Multi Shape Drops Necklace
The 18k Gold Multi Shape Drops Necklace showcases 3.13 cts of lab-grown diamonds in unique shapes. The adjustable chain and polished finish make it a versatile and elegant piece.
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18k Gold Octagon Diamond Necklace
The 18k Gold Octagon Diamond Necklace features 0.32 cts of lab-grown diamonds in an octagon setting. This elegant piece, sold as a single, combines classic charm with modern design.
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18k Gold Octagon Illusion Diamond Pendant
The 18k Gold Octagon Illusion Diamond Pendant, measuring 21mm, showcases a refined design with an illusion setting that enhances the diamond’s sparkle. This elegant pendant adds a touch of sophistication to any outfit, perfect for both casual and formal occasions.
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18k Gold Pave Diamond Graduated Necklace
This Gold Pave Diamond Graduated Necklace features diamonds set in 18k Yellow Gold. Adjustable 15-18 inch Gold 4.23 grams Diamond
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18k Gold Pave Diamond Mini Initial Charm
The 18k Gold Pave Diamond Mini Initial Charm features 0.12 carats of lab-grown diamonds in a hand-set pave design. Polished to a high shine, this compact charm adds a luxurious, personalized touch to any piece of jewelry. Ideal for gifting or enhancing your collection.
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18k Gold Pear Shape Diamond Necklace
The 18k Gold Pear Shape Diamond Necklace features a stunning pear-shaped pendant adorned with lab-grown diamonds of VS1 clarity and F color. Crafted from high-quality 18k gold, this necklace offers a classic and sophisticated design, perfect for enhancing both everyday outfits and special occasions. Packaged in a The Karat Store jewelry box.
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18k Gold Rigid Diamond Tennis Choker Necklace
This 18k Gold Rigid Diamond Tennis Choker Necklace features 1.61 cts of lab-grown diamonds, each with VS1 clarity and F color. The necklace's rigid structure ensures it sits perfectly on the collar, offering a sleek, modern look. The continuous line of brilliant-cut diamonds provides unmatched sparkle, making this a luxurious piece suitable for formal events or elevating any outfit.
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18k Gold Shell Charm Pendant
The 18k Gold Shell Charm Pendant features a beautifully sculpted shell motif in premium gold. Polished to a high shine, this nature-inspired pendant is perfect for daily wear or special occasions, offering a timeless and versatile accessory.
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18k Gold Square Prong Diamond Necklace
Discover timeless elegance with our 18k Gold Square Prong Diamond Necklace. Featuring 0.85 carats of lab-grown diamonds with VS1 clarity and F color, this necklace radiates sophistication. Crafted from premium 18kT gold, it’s an ideal choice for adding a touch of class to any outfit. Presented in a Karat Store Jewelry box, it’s perfect for gifting or enhancing your own collection.
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18k Gold Square Shape Mount Diamond Necklace
The 18k Gold Square Shape Mount Diamond Necklace features 0.85 cts of lab-grown diamonds set in a modern square mount. Ideal for a chic and sophisticated look.
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18k Gold Triangle Diamond Bar Necklace
The 18k Gold Triangle Diamond Bar Necklace features a sleek bar design adorned with a 0.30-carat diamond, set in a triangle shape. Adjustable from 16 to 18 inches, this elegant necklace adds a touch of sophistication to any outfit, perfect for both everyday wear and special occasions.
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18k Gold 8 CT Lab Grown Diamond Tennis Necklace, lab grown tennis necklace
The 18k Gold 8 CT Lab Grown Diamond Tennis Necklace features 8.00 cts of stunning lab-grown diamonds set in a timeless 17-inch basket 4-prong design. Available in white, rose, or yellow gold, this necklace offers a classic, elegant look for any occasion. Crafted from solid 18k gold, it combines durability with luxury and comfort, making it suitable for both special events and everyday wear. BIS Hallmarked for authenticity, it ships in 10-12 business days, and customer support is available via live chats and video calls.
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18k Gold Bezel Set Heart White Topaz Necklace
Show your heart with the 18k Gold Bezel Set Heart White Topaz Necklace. Crafted from premium 18k gold, this necklace features a 0.29 ct heart-shaped white topaz set in a sleek bezel. Elegantly presented in a Karat Store Jewelry box, it’s a perfect gift or a beautiful addition to your collection.
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18k Gold Buttercup Diamond Necklace
The 18k Gold Buttercup Diamond Necklace is a stunning piece featuring 5.00 carats of Lab Grown diamonds in a refined buttercup setting. Crafted from premium 18k gold, this necklace is elegantly presented in a Karat Store Jewelry box, making it a perfect gift or a luxurious addition to your own collection.
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18k Gold Diamond Choker Necklace
The 18k Gold Diamond Choker Necklace features 3.7 carats of mixed-size diamonds set in 18k solid white gold. With a length of 16 inches and a width of 4.16 mm, this elegant necklace, weighing 22.22 grams, showcases a sophisticated illusion setting perfect for any collection.
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18k Gold Diamond Coin Cuban Link Necklace
The 18k Gold Diamond Coin Cuban Link Necklace features 0.38 carats of lab-grown diamonds set in a striking Cuban link design. Crafted from premium 18kT gold, this necklace combines modern style with sophisticated elegance. Polished to a high shine and elegantly presented in a Karat Store Jewelry box, it’s ideal for gifting or elevating your collection with a touch of luxury.
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18k Gold Diamond Flower Necklace
Adorn your neckline with this exquisite 18k Gold Diamond Flower Necklace. Featuring 0.20 carats of lab-grown diamonds with VS1 clarity and F color, it offers a radiant sparkle. Presented in an elegant Karat Store Jewelry box, it’s perfect for gifting or adding to your collection.
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18k Gold Diamond Heart Tennis Necklace
The 18k Gold Diamond Heart Tennis Necklace features 3.20cts of Lab Grown Diamonds with VS1 clarity and F color, set in luxurious 18k gold. Elegantly packaged in a Karat Store Jewelry box, it’s a stunning choice for gifting or enhancing your collection.
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18k Gold Diamond Illusion Heart Chain Necklace
Brighten your look with the 18k Gold Diamond Illusion Heart Chain Necklace. Made from premium 18k gold, this necklace features 0.21 cts of F color lab-grown diamonds in a heart-shaped illusion setting. Elegantly presented in a Karat Store Jewelry box, it’s perfect for gifting or adding a touch of luxury to your collection.
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18k Gold Diamond Illusion Marquise Choker Necklace
The 18k Gold Diamond Illusion Marquise Choker Necklace showcases a stunning 4.95 cts of Lab Grown Diamonds with VS1 clarity and F color, set in premium 18k gold. This exquisite choker is elegantly presented in a Karat Store Jewelry box, perfect for gifting or adding to your collection.
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18k Gold Diamond Letter T Butterfly Necklace
The 18k Gold Diamond Letter T Butterfly Necklace combines the elegance of a letter T with the whimsical charm of a butterfly. Crafted from premium 18k gold and adorned with 0.09 carats of lab-grown diamonds, this necklace features VS1 clarity and F color stones. It arrives beautifully presented in a Karat Store Jewelry box, making it a delightful gift or a stylish addition to your collection.
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18k Gold Diamond Line Fluted Butterfly Necklace
Celebrate beauty with the 18k Gold Diamond Line Fluted Butterfly Necklace. Crafted from premium 18k gold, this necklace features 0.17 cts of F color lab-grown diamonds in a fluted butterfly design. Elegantly presented in a Karat Store Jewelry box, it’s a perfect gift or a luxurious addition to your collection.
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18k Gold Diamond Line Fluted Moon Necklace
Embrace celestial elegance with the 18k Gold Diamond Line Fluted Moon Necklace. Crafted from premium 18k gold, this necklace features 0.18 cts of F color lab-grown diamonds set in a fluted moon design. Elegantly presented in a Karat Store Jewelry box, it’s perfect for gifting or adding a touch of luxury to your collection.
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18k Gold Diamond Mama Necklace
Elegant 18k gold "Mama" necklace with F color, VS1 clarity lab-grown diamond accents. Features an adjustable chain for a perfect fit. Available in Yellow, Rose, and White Gold. BIS Hallmarked & IGI Certified.
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18k Gold Diamond Mini Trio Pear Drop Ball Necklace
Elegant 18k gold mini trio pear drop necklace with D-E-F color, VS1 clarity lab-grown diamonds on a stylish ball chain. Adjustable fit, available in Yellow, Rose, and White Gold. BIS Hallmarked & IGI Certified.
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18k Gold Diamond Multi Trio Necklace
The 18k Gold Diamond Multi Trio Necklace features Lab Grown Diamonds with VS1 clarity and F color, set in premium 18k gold. This elegant piece is elegantly packaged in a Karat Store Jewelry box, making it a perfect gift or addition to your collection.
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18k Gold Diamond Pear Ball Necklace
The 18k Gold Diamond Pear Ball Necklace features 0.95 carats of lab-grown diamonds in a stunning pear-shaped design. Crafted from premium 18kT gold, this elegant necklace combines modern sophistication with radiant sparkle. Polished to a high shine and presented in a Karat Store Jewelry box, it’s ideal for gifting or adding a touch of luxury to your collection.
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18k Gold Diamond Pear Bar Curve Necklace
Elegant 18k gold curved bar necklace featuring a suspended pear-shaped lab-grown diamond of F color, VS1 clarity. Adjustable chain, available in Yellow, Rose, and White Gold. BIS Hallmarked & IGI Certified.
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18k Gold Diamond Pearl Oval Blue Sapphire Charm Necklace
Luxurious 18k gold necklace with blue sapphire, lab grown diamonds, and a pearl drop. Available in yellow, rose, or white gold.
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18k Gold Diamond Rectangle Octagon Heart Necklace
The 18k Gold Diamond Rectangle Octagon Heart Necklace is a stunning piece featuring a unique design that combines a rectangular and octagonal shape with a heart motif. Made from premium 18k gold and set with 0.15 carats of lab-grown diamonds, this necklace boasts VS1 clarity and F color. It comes beautifully presented in a Karat Store Jewelry box, perfect for gifting or adding to your collection.
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18k Gold Diamond Script Name Necklace
Elegant 18k gold script name necklace with diamond accents. Customizable with your chosen name or word. Available in yellow, rose, or white gold.
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18k Gold Diamond Shaped Necklace
The 18k Gold Diamond Shaped Necklace features a sleek, modern design with a diamond-shaped pendant. Crafted from premium 18k gold and adorned with 0.08 carats of lab-grown diamonds, this necklace showcases VS1 clarity and F color. It arrives elegantly presented in a Karat Store Jewelry box, making it an ideal choice for a thoughtful gift or a stylish addition to your jewelry collection.
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18k Gold Diamond Spike Earring Charm
The 18k Gold Diamond Spike Earring Charm adds a bold and edgy flair to any earring. Crafted from luxurious 18k gold, this charm features a sleek spike adorned with sparkling diamonds, making it a perfect addition for those looking to elevate their style with a touch of elegance and attitude.
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18k Gold Lab Grown Diamond Bezel Graduated Tennis Necklace
The 18k Gold Diamond Bezel Graduated Tennis Necklace is a sophisticated piece that highlights lab-grown diamonds in a graduated bezel setting. Crafted from high-quality 18kT gold, this necklace features diamonds arranged in a graduating pattern, enhancing their brilliance and creating a striking visual effect. Polished to a brilliant shine, it is perfect for any formal event or special occasion. Customization options available.
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18k Gold Lab Grown Diamond Marquise Necklace
This 18k Gold Lab-Grown Diamond Marquise Necklace features 31.27ct of marquise-cut diamonds, elegantly set in a luxurious design. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for authenticity.
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18k Gold Lab Grown Diamond Necklace
This 18k Gold Lab-Grown Diamond Necklace features 32.48ct of dazzling diamonds, set in an elegant design. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for authenticity.
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18k Gold Lab Grown Diamond Pear Necklace
A luxurious 45.95 ct pear-shaped lab-grown diamond necklace set in solid 18k gold. Ethically sourced, elegant, and IGI & BIS Hallmarked.
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18k Gold Lab Grown Diamond Queens Choker
This 18k Gold Lab-Grown Diamond Queens Choker features 30.53ct of princess and oval-cut diamonds, set in a stunning regal design. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for authenticity.
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18k Gold Lab Grown Diamond Round Tennis Necklace
This 18k Gold Lab-Grown Diamond Tennis Necklace features 15.04ct of round-cut diamonds set in a seamless design. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for quality assurance.
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18k Gold Lab Grown Diamond Tennis Necklace Round Diamond Layering Necklace For Women
The 18k Gold Diamond Tennis Necklace features brilliant round diamonds set in a classic tennis design. Perfect for layering or wearing solo, it exudes timeless elegance and versatility. Crafted from solid gold, this necklace offers enduring beauty and comfort. Ideal for everyday wear or special occasions, it is a perfect gift for loved ones. BIS Hallmarked for authenticity, with shipping in 10-12 business days and customer support available through live chats and video calls.
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18k Gold Lab-Created Diamond Bezel necklace
A 18k gold bezel-set diamond necklace featuring a 0.10-carat lab-created diamond with F color, VS1 clarity, and BIS certification.
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18k Gold Malachite Rectangle Link Necklace
Elegant 18k gold necklace with a rectangular malachite pendant. Available in yellow, rose, or white gold.
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18k Gold Marquise Diamond Drop Necklace
Elevate your elegance with the 18k Gold Marquise Diamond Drop Necklace. Featuring a striking 1.02 carats of lab-grown diamonds with VS1 clarity and F color, this necklace radiates sophistication. It comes beautifully packaged in a Karat Store Jewelry box, perfect for gifting or adding to your collection.
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18k Gold Medium Heart Diamond Ball Necklace
This 18k Gold Medium Heart Diamond Ball Necklace features 0.61cts of Lab Grown Diamonds with VS1 clarity and F color, set in premium 18k gold. Elegantly packaged in a Karat Store Jewelry box, it’s perfect for gifting or adding a touch of luxury to your collection.
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18k Gold Pave Diamond Marquise Drop Necklace
Enhance your elegance with the 18k Gold Pave Diamond Marquise Drop Necklace. Featuring 0.19 carats of lab-grown diamonds with VS1 clarity and F color, this necklace adds a refined sparkle. Elegantly packaged in a Karat Store Jewelry box, it’s perfect for gifting or adding to your collection.
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History, Types, Cultural Significance Of Lab Grown Diamond Necklace
A diamond necklace is more than just an accessory—it’s a symbol of elegance, strength, and personal style. Our collection of lab-grown diamond necklaces is thoughtfully designed to offer beauty with a conscience. Whether it’s a solitaire pendant that captures the essence of simplicity, a classic tennis necklace that commands attention, or a dainty bezel-set chain that layers effortlessly, you’ll find something for every mood and moment.
We craft each piece using 100% solid 14K & 18K gold, available in white, yellow, or rose finishes. The diamonds are lab-grown, created through advanced technology that replicates the natural growth process. They are chemically and optically identical to mined diamonds, offering the same sparkle, durability, and timeless appeal without the environmental harm or ethical concerns.
Each necklace features IGI-certified diamonds, hand-selected for brilliance and set with care by our skilled artisans. From everyday essentials to occasion-worthy pieces, our necklaces are perfect for gifting—or treating yourself to something meaningful.
Lab-grown diamond necklaces have become increasingly popular in the Singapore for their ethical sourcing and approachable luxury. They offer a sustainable way to shine, aligning with modern values while honouring timeless style.
When you shop with The Karat Store, you’re choosing handcrafted excellence, verified quality, and jewellery that’s made to be worn, loved, and passed on.
Quality of Material Used
All necklaces are made from 100% solid 14K & 18K gold—never plated or filled—ensuring strength, shine, and long-lasting value. Available in white, yellow, or rose gold, our metals are nickel-free and hypoallergenic, perfect for everyday wear.
Our lab-grown diamonds are hand-selected for their cut, colour, clarity, and carat, offering unmatched brilliance and fire. Each diamond is securely set to enhance light reflection and ensure durability. This is jewellery built not just to sparkle, but to stay beautiful for years to come.
Certifications Provided
Every lab-grown diamond necklace from The Karat Store includes an IGI (International Gemological Institute) certificate for the featured diamond(s). This document verifies the stone’s cut, clarity, colour, and carat.
We also provide a BIS hallmark on the gold, confirming its 14K & 18K purity, and include a detailed invoice with full product specifications. These certifications ensure your jewellery is authentic, traceable, and built to the highest standards. At The Karat Store, certified quality is part of every piece.
Craftsmanship
Each necklace is handcrafted by expert artisans with a focus on balance, symmetry, and precision. Whether it's a solitaire pendant or a full diamond station necklace, our team ensures every stone is aligned and securely set.
We polish each piece to perfection and conduct a multi-step quality check before shipping, so what you receive is nothing short of exceptional. With The Karat Store, you're investing in handcrafted fine jewellery that feels as special as it looks.
Frequently Asked Questions
1. How long does delivery take to the Singapore?
Shipping takes 12 to 22 days to your doorstep in the Singapore.
2. Are your necklaces made with real gold?
Yes. We use only solid 14K & 18K gold, not plated or filled.
3. What if I receive a damaged or wrong item?
We accept returns only for damaged or incorrectly delivered items.
4. Is shipping free across the Singapore?
Yes, we offer free insured shipping.
5. Will I receive tracking information?
Absolutely. A tracking link is sent once your necklace is shipped.
6. How can I contact customer service?
Email us at contact@thekaratstore.sg—we’re here to help.
7. Are the diamonds certified?
Yes. All diamonds used are IGI-certified, and certification is included.
8. Can I customise my necklace?
Yes. We accept custom orders for chain length, pendant size, and design.
9. Is your jewelry safe for sensitive skin?
Yes. Our nickel-free 14K & 18K gold is hypoallergenic and safe for all skin types.
10. Is the packaging secure?
Yes. We ship each necklace in tamper-proof, protective packaging to ensure safe delivery.
