PLATINUM & ROSE GOLD DIAMOND PENDANT: Edwardian diamond drop necklace features 29 old mine cut diamonds that weigh 1.50Ct. approx. Rated SI-I1 in clarity and I-J-K in color. 16'' platinum chain attached. Weight 7.1 grams. Sold with current Atlanta Gemological GIA graduate's appraisal for $4000. Est. $1800/4000**