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 2.31ct Fancy Yellow Pear Shaped Lab Grown Diamond Cocktail Ring

2.31ct · Pear
$18,896
Also in 14K · $14,973
18K
Lab Grown

18K 2.15ct Fancy Yellow Oval Shaped Lab Grown Diamond Cocktail Ring

2.15ct · Oval
$18,457
Also in 14K · $14,534
18K
Lab Grown

18K 3.19ct Fancy Yellow Princess Cut Lab Grown Diamond Ring

3.19ct · Princess
$21,312
Also in 14K · $17,390
18K
Lab Grown

18K 2.12ct Multi Shape Lab Grown Diamond Cocktail Ring

2.12ct
$18,374
Also in 14K · $14,452
18K
Lab Grown

18K 1.17ct Fancy Yellow Pear Shaped Lab Grown Diamond Cocktail Ring

1.17ct · Pear
$15,766
Also in 14K · $11,843
18K
Lab Grown

18K 2.42ct Fancy Yellow Oval Shaped Lab Grown Diamond Cocktail Ring

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

18K 4.55ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

4.55ct · Cushion
$25,047
Also in 14K · $21,124
18K
Lab Grown

18K 1.48ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

1.48ct · Cushion
$16,617
Also in 14K · $12,694
18K
Lab Grown

18K 1.95ct Fancy Yellow Cushion Cut Lab Grown Diamond Cocktail Ring

1.95ct · Cushion · Halo
$17,907
Also in 14K · $13,985
18K
Lab Grown

18K 3.31ct Emerald Cut Lab Grown Diamond Cocktail Band

3.31ct
$21,642
Also in 14K · $17,719
18K
Lab Grown

18K 1.24ct Round Cut Lab Grown Diamond Pendant Necklace

1.24ct · Round
$21,575
Also in 14K · $14,122
18K
Lab Grown

18K 10ct Round Cut Lab Grown Diamond Tennis Necklace

10ct · Round
$98,067
Also in 14K · $66,685
18K
Lab Grown

18K 1.15ct Round Cut Lab Grown Diamond Halo Pendant Necklace

1.15ct · Round · Halo
$21,967
Also in 14K · $13,337
18K
Lab Grown

18K 2.5ct Pear Shaped Lab Grown Diamond Cluster Pendant Necklace

2.5ct · Pear · Cluster
$25,890
Also in 14K · $16,868
18K
Lab Grown

18K 3.24ct Round Cut Lab Grown Diamond Necklace

3.24ct · Round
$43,934
Also in 14K · $30,597
18K
Lab Grown

18K 0.9ct Marquise Shaped Lab Grown Diamond Cluster Pendant Necklace

0.9ct · Marquise · Cluster
$21,183
Also in 14K · $19,221
18K
Lab Grown

18K 1.17ct Round Cut Lab Grown Diamond Pendant Necklace

1.17ct · Round
$21,967
Also in 14K · $18,829
18K
Lab Grown

18K 0.87ct Round Cut Lab Grown Diamond Cluster Pendant Necklace

0.87ct · Round · Cluster
$20,398
Also in 14K · $18,045
18K
Lab Grown

18K 0.96ct Round Cut Lab Grown Diamond Hamsa Pendant Necklace

0.96ct
$21,575
Also in 14K · $20,791
18K
Lab Grown

18K 1.55ct Oval Shaped Lab Grown Diamond Lariat Necklace

1.55ct · Oval
$25,105
Also in 14K · $23,144
18K
Lab Grown

18K 1.11ct Marquise Shaped Lab Grown Diamond Cluster Necklace

1.11ct · Marquise · Cluster
$21,967
Also in 14K · $21,967
18K
Lab Grown

18K 0.87ct Marquise Shaped Lab Grown Diamond Cluster Pendant Necklace

0.87ct · Marquise · Cluster
$21,183
Also in 14K · $21,575
18K
Lab Grown

18K 1.99ct Marquise Shaped Lab Grown Diamond Necklace

1.99ct · Marquise
$24,321
Also in 14K · $21,183
18K
Lab Grown

18K 1.05ct Pear Shaped Lab Grown Diamond Solitaire Necklace

1.05ct · Pear · Solitaire
$20,791
Also in 14K · $18,437

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