Circa 1920's, this wonderful one-of-a-kind vintage Art Deco onyx cocktail ring in 14K white gold features bold and dramatic black onyx measuring 13/16 inch high by 9/16 inch wide, framed by beautiful intricately detailed filigree and set with 2 single cut round diamonds for a total of 0.05 carat. Size 8 1/2 and can be sized.