This early Art Deco octagon-shaped platinum ring features an excellent Siberian amethyst (approximately 16.32 ct, 17.8 x 10.8 mm) of a deep royal purple color framed by diamonds and calibre cut rubies.
The octagon top is 24 mm (15/16 in.) wide.
Weight 12.83 grams
Ring size 8 (18 mm) sizable