14K White Gold 3/4 CTW Lab-Grown Diamond 18" Necklace. 23559 / Necklace / Set / 14K White Gold / Round / Lab-Grown Diamond / 6Mm :: 3/4 Ct / Si1-Si2, G-H / 18 In / Polished / 3/4 Ct Lab-Grown Diamond Solitaire 3-Prong Necklace