Sapphire and diamond cocktail ring.Set to centre with a single round old cut natural unenhanced sapphire in an open back claw setting with an approximate weight of 1.00 carats, flanked by ten round old cut diamonds in open back grain settings with a combined approximate weight of 0.60 carats, to a cocktail ring featuring raised arched details, a smooth gallery and open backholing, leading to trumpeting shoulders and flowing through to a solid shank. Tested yellow gold and platinum, circa 1945.
