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Lab-Grown Diamond Necklaces & Pendants

236 pieces

Showing 50 of 236 total
10K
Lab-grown
Made to order
Gold cross pendant with cushion-cut emerald center stone surrounded by round diamond halo, front view
Best Seller
$3,000

10K Gold Imperial Emerald Cross Medium with Lab-Grown Diamonds 70554

10K · 1.2 in wide · 12.5 g

14K
Lab-grown
Heart Diamond Pendant (Lab) 68530 - Image 1
Sale
$9,750

14K Gold Heart Diamond Necklace (Lab) 68530

14K · 6.9 g

14K
Lab-grown
Small rose gold cross pendant shaped like a nail, encrusted with lab diamonds.
$5,150

14K Gold Small Diamond Nail Cross (Lab) 68691

14K · 1.7 in wide · 19.4 g

14K
Lab-grown
Made to order
Rose gold cross pendant with 40 sparkling diamonds, men's jewelry accessory.
$8,900

14K Gold 40 Pointer Lab-Grown Diamond Cross 68701

14K · 1.9 in wide · 16.8 g

14K
Lab-grown
White gold diamond-encrusted Egyptian ankh cross pendant for men.
$5,650

14K Gold Lab-Grown Diamond Ankh Cross Pendant 68706

14K · 1 in wide · 18.2 g

14K
Lab-grown
Diamond Blossom Tennis Chain 69879 - Image 3
$10,000

14K Gold Lab-Grown Diamond Blossom Tennis Chain 69879

14K · 2.8 mm · 18 in · 18.1 g

14K
Lab-grown
Lab-created 15 pt diamond tennis chain necklace in white metal, classic unisex design.
$14,600

14K Gold 15 Pt Diamond Tennis Chain(Lab) 68458

14K · 3.75 mm · 22 in · 52 g

14K
Lab-grown
Yellow gold tennis necklace with round lab diamonds in prong settings.
$12,750

14K Gold 10 Pt Diamond Tennis Chain (Lab) 68237

14K · 3.5 mm · 22 in · 44.8 g

10K
Lab-grown
Made to order
10K Gold Virgin Mary Pendant
Best Seller
$3,100

10K Gold Virgin Mary Lab-Grown Diamond Pendant 71006

10K · 0.7 in wide · 8.2 g

14K
Lab-grown
Two-tone gold SIMS diamond pendant with pavé-set round diamonds.
$6,450

14K Gold 2 Tone SIMS Lab-Grown Diamond Pendant 68634

14K · 1.3 in wide · 16 g

14K
Lab-grown
Rose gold diamond-encrusted Egyptian Ankh cross pendant with loop bail.
$5,700

14K Gold Lab-Grown Diamond Ankh Cross Pendant 68707

14K · 1 in wide · 18.4 g

14K
Lab-grown
14k gold diamond tennis chain 3.3mm width, 20 inches, continuous brilliant-cut stone setting, flat lay view
$8,650

14K Gold 7PT Lab-Grown Diamond Tennis Chain 3.3mm 20 inches 70337

14K · 3.3 mm · 20 in · 36.3 g

14K
Lab-grown
Yellow gold tennis chain with lab-created round diamonds in 10-pointer style.
$8,800

14K Gold 10 Pointer Diamond Tennis Chain (Lab) 69630

14K · 3.5 mm · 22 in · 22.85 g

14K
Lab-grown
Yellow gold 10-pointer lab diamond tennis chain necklace with round-cut stones.
$10,750

14K Gold 10 Pointer Diamond Tennis Chain (Lab) 69113

14K · 3.5 mm · 18 in · 39 g

14K
Lab-grown
White lab diamond 15-pointer tennis chain necklace with prong settings.
$16,900

14K Gold 15 Pointer Diamond Tennis Chain (Lab) 69110

14K · 4 mm · 24 in · 59.6 g

14K
Lab-grown
Rose gold tennis necklace with round-cut lab diamonds in 7 pointer setting.
$10,100

14K Gold 7 Pointer Diamond Tennis Chain (Lab) 68480

14K · 3.2 mm · 20.5 in · 39.8 g

10K
Lab-grown
Made to order
Yellow gold cross pendant with central emerald and surrounding round diamonds.
$900

10K Gold Imperial Sapphire Cross Small with Lab-Grown Diamonds 71113

10K · 0.7 in wide · 2.3 g

14K
Lab-grown
Yellow gold necklace with heart-shaped diamond bezel pendant on fine chain.
Sale
$1,600

14K Gold Heart Lab-Grown Diamond Bezel Pendant 71018

14K · 4.6 g

10K
Lab-grown
Made to order
Yellow gold circular Jesus pendant with diamond halo and detailed crown of thorns design.
Best Seller
$5,550

10K Gold Circular Jesus Lab-Grown Diamond Pendant 71008

10K · 1.5 in wide · 31.6 g

14K
Lab-grown
Made to order
Gold bezel necklace with diamond-encrusted letter "A" pendant on delicate chain.
Best Seller
$3,300

14K Gold Bezel Lab-Grown Diamond Letter Initial Necklace 70857

14K · 18 to 24 in

14K
Lab-grown
Yellow gold lion head pendant with Asscher cut diamond eyes, detailed mane design.
$10,700

14K Gold Asscher Cut Lab-Grown Diamond Lion Head Pendant 68955

14K · 2 in wide · 58.1 g

14K
Lab-grown
Yellow gold cross pendant with emerald-cut diamonds in a classic symmetrical design.
$2,600

14K Gold Celestial Emerald Cross Pendant with Lab-Grown Diamonds 69642

14K · 0.65 in wide · 2.7 g

14K
Lab-grown
Yellow gold cross pendant with emerald-cut diamonds in a custom celestial design.
$1,650

14K Gold Celestial Emerald Cross Pendant Mini with Lab-Grown Diamonds 69655

14K · 0.45 in wide · 1.5 g

14K
Lab-grown
Yellow gold cross pendant with emerald-cut diamonds on a delicate box chain.
$1,950

14K Gold Celestial Emerald Cross Mini Pendant Set with Lab-Grown Diamonds 69667

14K · 0.45 in wide

14K
Lab-grown
3 Ct Round Cut Diamond Necklace 70392 - Image 1
$2,550

14K Gold 3 Ct Round Cut Lab-Grown Diamond Necklace 70392

14K · 3.95 g

14K
Lab-grown
Made to order
20-inch yellow gold tennis chain with 80 round-cut diamonds in a classic setting.
Best Seller
$22,250

14K Gold 80 Pointer Lab-Grown Diamond Tennis Chain 20 Inches 70401

14K · 6.2 mm · 20 in · 62 g

14K
Lab-grown
Asscher cut diamond cross pendant in white gold – front-facing view showing step-cut facet detail
$1,850

14K Gold Asscher Cut Lab-Grown Diamond Cross Pendant 69715

14K · 0.4 in wide · 1.6 g

14K
Lab-grown
18-inch yellow gold men's chain with 3.3mm textured links and polished finish.
$6,200

14K Solid Gold Stunner Lab-Grown Diamond Chain 18 Inches 3.3 mm 69846

14K · 3.3 mm · 18 in · 18.5 g

14K
Lab-grown
Made to order
Yellow gold 30-pointer tennis chain necklace with round clear stones, unisex design.
$20,900

14K Gold 30 Pointer Lab-Grown Diamond Tennis Chain 68703

14K · 4.2 mm · 22 in · 71.7 g

24K
Lab-grown
Men's gold bar diamond frame pendant – 1 oz 24k Suisse Pamp bar centered in prong-set lab diamond border, front view
$15,050

1 Ounce 24 Karat Suisse Pamp Bar & Diamond Frame Pendant (Lab) 68239

24K · 1.25 in wide · 51.5 g

.925
Lab-grown
Made to order
Diamond elephant pendant in white metal with pear-shaped rhodolite accent and pavé diamond body detail
$850

Baby Elephant Lab-Grown Diamond Pendant 70735

Silver · 1.25 in wide

10K
Lab-grown
Made to order
Dagger Knife Pendant Black Diamond in 10K gold
$3,700

10K Gold Dagger Knife Pendant Black Lab-Grown Diamond 70987

10K · 1.1 in wide · 16.5 g

14K
Lab-grown
Yellow gold cross pendant encrusted with multiple round lab diamonds in a clustered design.
$8,850

14K Gold Large Diamond Cross Pendant (Lab) 68212

14K · 1.4 in wide · 33.1 g

14K
Lab-grown
Yellow gold Hamsa pendant encrusted with multiple sparkling diamonds for men.
$7,950

14K Gold Hamsa Lab-Grown Diamond Pendant 68705

14K · 1.4 in wide · 30 g

14K
Lab-grown
Emerald cut diamond initial pendant in white gold with pave diamond detailing.
$14,250

14K Gold Emerald Cut Lab-Grown Diamond Initial Pendant 68897

14K · 1.55 in wide · 40.4 g

14K
Lab-grown
Large yellow gold Jesus pendant with crown and diamond accents on face and hair.
Best Seller
$16,950

14K Gold Large Size Jesus Diamond Pendant (Lab) 68908

14K · 1.75 in wide · 89.1 g

14K
Lab-grown
XXL gold initial pendant "Q" encrusted with diamonds, bold and geometric design.
$62,750

14K Gold Emerald Diamond Initial Pendant -XXL- Lab 69327

14K · 4.9 in wide · 239 g

14K
Lab-grown
Made to order
Marina Ice Tennis Chain 70486 - Image 1
Best Seller
$11,700

14K Gold Marina Ice Lab-Grown Diamond Tennis Chain 70486

14K · 3.3 mm · 20 in

14K
Lab-grown
Diamond tennis chain in 14k gold — continuous prong-set diamond links, front-facing flat lay
Best Seller
$22,450

14K Gold 40 PT Lab-Grown Diamond Tennis Chain 70338

14K · 4.8 mm · 22 in · 82.5 g

14K
Lab-grown
lab diamond tennis chain in 14k yellow gold – full prong-set line, front-facing flat lay
$12,700

14K Gold 15 Pt Diamond Tennis Chain (Lab) 70335

14K · 3.75 mm · 18 in · 43.9 g

18K
Lab-grown
Made to order
Yellow gold Chai pendant encrusted with sparkling round diamonds on bail and body.
Sale
$1,900

18K Gold Sparkling Spirit Chai Lab-Grown Diamond Pendant 69559

18K · 0.5 in wide · 3.1 g

14K
Lab-grown
Yellow gold tennis necklace with 12 pointer round-cut diamonds in a classic setting.
$8,900

14K Gold 12 Pointer Lab-Grown Diamond Tennis Chain 68481

14K · 3.4 mm · 18.25 in · 24.4 g

14K
Lab-grown
Made to order
Lab-grown diamond cross pendant with round-cut stones set across face – front view
$3,650

14K Gold 20 Pointer Diamond Cross (Lab) 68185

14K · 0.75 in wide · 5.7 g

14K
Lab-grown
Made to order
Upside Down Diamond Cross Set in 14K gold
$2,750

14K Gold Upside Down Lab-Grown Diamond Cross Set 70985

14K · 1.1 in wide · 8.2 g

14K
Lab-grown
Made to order
Yellow gold upside-down cross necklace with clear and yellow diamonds in a cluster design.
$1,400

14K Gold Mini Upside Down Lab-Grown Diamond Cross Set 70984

14K · 4.4 g

14K
Lab-grown
Made to order
Gold bullet-shaped pendant with pink tip and polished finish.
Best Seller
$4,300

14K Gold Lab-Grown Diamond Bullet Pendant 70975

14K · 0.5 in wide · 20.65 g

10K
Lab-grown
Made to order
La Virgin De Guadalupe Pendant in 10K gold
Best Seller
$7,950

10K Gold La Virgin De Guadalupe Lab-Grown Diamond Pendant 70958

10K · 1.3 in wide · 36.2 g

14K
Lab-grown
Made to order
White gold tennis chain with round 75 pointer diamonds, sleek luxury men's jewelry.
Best Seller
$16,750

14K Gold 75 Pointer Lab-Grown Diamond Tennis Chain 70918

14K · 5.9 mm · 20 in · 51.6 g

14K
Lab-grown
Rose gold cross pendant set with round pink lab diamonds.
$3,300

14K Gold Pink Diamond Cross Pendant (Lab) 68559

14K · 0.75 in wide · 2.3 g

14K
Lab-grown
White gold nail-shaped cross pendant encrusted with small lab diamonds.
$7,750

14K Gold Medium Diamond Nail Cross (Lab) 68692

14K · 2.2 in wide · 26.1 g

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Buyer's guide

How to choose lab grown diamond jewelry

About this collection
ABOUT THIS COLLECTION

Lab-Grown Diamond Necklaces, Pendants and Tennis Chains

Lab-grown diamond necklaces and pendants in one place. About six in ten are pendants and pendant sets, from mini hearts, initials and crosses to large custom pieces; the rest are chains and necklaces, most of them tennis chains. About three in four are 14K gold, with 10K, .925 silver and a few in platinum and 24K. Tennis chains run from about 2 mm to 7 mm wide, most near 4 mm, and most come in 18 to 24 inches.

A lab-grown diamond is a real diamond, grown instead of mined, with the same hardness and fire, and it is graded for color, clarity and cut the same way. Nearly every listing gives the karat, the carat weight and the grams. For a tennis chain, the stone size sets the width and the weight: how to choose a diamond tennis chain. To weigh one against a natural stone, read lab-grown diamond or natural diamond.

Every lab-grown piece, rings and earrings included, is on lab-grown diamond jewelry. Natural and lab-grown tennis chains share tennis chains, and men's diamond pendants have their own page at men's diamond pendants. Call or text 212-872-9692, or visit the showroom on 47th Street.