70'' PLATINUM & 7.23 CTW DIAMOND ART DECO CHAIN: Handmade 70'' platinum & diamond chain is set with 158 round brilliant cut diamonds approx 7.23 CTW. Rated VS-SI in clarity and G-H-I in color. Weight 40.6 grams. Sold with Atlanta Gemological GIA graduate's appraisal for $24, 650 dated 07/03/18.