Same GIA Standards: lab-grown diamonds are judged by the GIA standards used for mined diamonds: color, cut, clarity, and carat weight 14K gold Total lab-grown diamond weight is approximately 9.00 carats; weights are minimum weights Round, prong-set, lab-grown diamonds; rhodium-plated prongs; cable chain Color range: Near Colorless Clarity range: Very Slightly Included Spring ring clasp Approximate measurements: Necklace 18"L x 1/16"W;