You are viewing a fine quality 10K white gold Art Deco era ring made in the 1920's. The ring measures 21 mm or just under 7/8" long up the finger by 20 mm or 3/4" across. Set on top is a hand carved double cameo in onyx depicting a knight and his woman in black and white onyx. On the sides are enamel designs. The ring is marked: 10K. It is a size 8 and can be re-sized. The ring weighs 8 grams.