18K Lab Grown Diamond Jewelry

Lab-grown diamond jewelry in 18K solid gold, our signature tier. IGI-certified stones set in 75% pure gold with richer color and deeper warmth. The lab-grown pieces worth treating as heirloom.

758 products
18K
Lab Grown

18K 1.08ct Fancy Yellow Cushion Cut Lab Grown Diamond Ring

1.08ct · Cushion
$15,518
Also in 14K · $11,596
18K
Lab Grown

18K 1.7ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

1.7ct · Radiant
$17,221
Also in 14K · $13,298
18K
Lab Grown

18K 2.23ct Fancy Yellow Round Cut Lab Grown Diamond Cocktail Ring

2.23ct · Round
$19,461
Also in 14K · $14,754
18K
Lab Grown

18K 1.61ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

1.61ct · Radiant
$16,974
Also in 14K · $13,051
18K
Lab Grown

18K 1.01ct Fancy Yellow Radiant Cut Lab Grown Diamond Eternity Band

1.01ct · Radiant · Eternity
$10,619
Also in 14K · $8,658
18K
Lab Grown

18K 1.07ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

1.07ct · Cushion
$15,491
Also in 14K · $11,568
18K
Lab Grown

18K 0.7ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

0.7ct · Radiant
$14,475
Also in 14K · $10,552
18K
Lab Grown

18K 1.71ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

1.71ct · Cushion
$17,248
Also in 14K · $13,326
18K
Lab Grown

18K 2.09ct Fancy Yellow Pear Shaped Lab Grown Diamond Cocktail Ring

2.09ct · Pear · Halo
$18,292
Also in 14K · $14,369
18K
Lab Grown

18K 4.31ct Emerald Cut Lab Grown Diamond Cocktail Band

4.31ct
$24,388
Also in 14K · $20,465
18K
Lab Grown

18K 2.28ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

2.28ct · Cushion
$18,814
Also in 14K · $14,891
18K
Lab Grown

18K 1.66ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

1.66ct · Radiant · Halo
$17,111
Also in 14K · $13,188
18K
Lab Grown

18K 2.02ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

2.02ct · Cushion
$18,100
Also in 14K · $14,177
18K
Lab Grown

18K 2.42ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

2.42ct · Cushion
$19,198
Also in 14K · $15,275
18K
Lab Grown

18K 2.13ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

2.13ct · Cushion
$18,402
Also in 14K · $14,479
18K
Lab Grown

18K 2.07ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

2.07ct · Radiant
$18,237
Also in 14K · $14,314
18K
Lab Grown

18K 3.63ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

3.63ct · Radiant · Cluster
$22,520
Also in 14K · $18,598
18K
Lab Grown

18K 1.98ct Fancy Yellow Radiant Cut Lab Grown Diamond Cocktail Ring

1.98ct · Radiant · Halo
$17,990
Also in 14K · $14,067
18K
Lab Grown

18K 2.55ct Fancy Yellow Round Cut Lab Grown Diamond Eternity Band

2.55ct · Round · Eternity
$14,848
Also in 14K · $12,886
18K
Lab Grown

18K 2.05ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

2.05ct · Cushion
$18,182
Also in 14K · $14,259
18K
Lab Grown

18K 2.24ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

2.24ct · Cushion
$18,704
Also in 14K · $14,781
18K
Lab Grown

18K 2.82ct Pear Shaped Lab Grown Diamond Cocktail Ring

2.82ct · Pear
$20,296
Also in 14K · $16,374
18K
Lab Grown

18K 2.46ct Emerald, Oval, Round, and Baguette Lab Grown Diamond Cocktail Ring

2.46ct
$19,308
Also in 14K · $15,385
18K
Lab Grown

18K 1.92ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

1.92ct · Cushion
$17,825
Also in 14K · $13,902

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