ART DECO PLATINUM DIAMOND RING: Platinum Deco ring contain 19 old European round cut diamonds totaling approx. 1.00 Ct. Rated VS-SI in clarity and H-I in color. The diamonds are prong set. Accented with 7 French cut synthetic sapphires, originally 8 one is missing. Size: 6.5 Weight: 5.1 grams.