ART DECO PLATINUM FILIGREE DIAMOND RING: Art Deco period ring of one old European round cut diamond and 22 round single cut diamonds totaling approx. .55 Ct. Rated VS-SI in clarity and H-I-J in color. The diamonds are bead set. Accented with 6 square calibre' cut, channel set synthetic sapphires. One is abraded. Weight: 4.5 grams. Size: 6.5