Sapphire and diamond cocktail ring. Set with one central oval old cut natural unenhanced sapphire in an open back claw setting with an approximate weight of 1.25 carats, set to top and bottom with triple bands of eighteen round eight cut diamonds in open back grain settings with an approximate total weight of 0.30 carats, to a heavy cocktail ring featuring a concave oval bezel, polished edges open backholing, leading to smooth trumpeting shoulders and flowing through to a solid tapering shank. Tested yellow gold and platinum, French, circa 1945.
