Edwardian-Era Gold and Platinum Cluster Ring with a Cab Cut Sapphire Center

Period: c. 1910s-1920s; late/post-Edwardian/Belle Époque; anticipates Midcentury design principles Inscription: the piece is very faintly inscribed, “82129”, which is likely an ID number applied by the fabricating jeweler Materials: 14K gold; platinum; sapphire; diamonds Dimensions: the top measures 11.36 mm in diameter north to south, and 10.60 mm in diameter east to west. The ring stands 4.55 mm tall above the finger (measurement includes the height of the center stone) Size: currently between size 6 and 6 1/4 (free sizing) Gemstones: All stones assessed in their mounting by a GIA GD—weights and grades are approximate     Center: approx. 5 x 4 mm oval sapphire cut en cabochon—appears natural under a microscope, but makeup, origin, and treatment status cannot be established without laboratory testing     Accents: sixteen (.24 ctw., est.) near-colorless old Single Cut diamondsItem TS400JUET