circa 1930
This vintage Art Deco platinum and 14K gold openwork ring is designed as a stylized flowerhead centered with a vivid green Russian demantoid (5.33 x 3.6 mm, approximately 0.72 ct) surrounded by old mine and rose cut diamonds.
Marked with Russian gold and platinum marks.
Diameter of the demantoid and diamond top is 13 mm (1/2 mm)
Ring size 6.75 (17 mm) sizable