Lovely alone or layered, this emerald-cut lab-grown diamond solitaire necklace in white gold gives you the style options you desire. Crafted in 14k white gold a sideways 1/3 ct. Certified emerald-cut lab-grown diamond solitaire suspends centered along a cable chain. F color/si2 clarity lab-grown diamond includes certification card this 18. 0-inch necklace adjusts to 16. 0 and 17. 0 inches and secures with a lobster claw clasp.