Oscar Heyman Brothers ruby and diamond ring. Set throughout with twenty six square baguette cut diamonds in graduationg sizes in open back channel settings with a combined approximate weight of 2.60 carats, framed by twenty six square baguette cut natural unenhanced rubies in open back channel settings with a combined approximate weight of 1.30 carats, to a stylish bombe' cluster design composed of horizontal rows graduating in step detail with polished borders and geometric open backholing, the broad trumpeting shoulders which feature ridged detail continues down to the solid flat shank. Tested platinum and iridium, American, circa 1935, accompanied by Oscar Heyman Brothers authenticity certificate.
