Old cut diamond solitaire ring. Set with a round old cut diamond, J colour, SI2 clarity with an approximate weight of 1.33 carats in an open back claw setting, to an elegant solitaire design featuring curving claws, a geometrically pierced open gallery and open backholing, leading to raised shoulders with grooved detail and flowing through to a solid shank. Tested platinum, circa 1920, accompanied by Gemological Institute of America (GIA) report #2201489648.
