Tiffany & Co. sapphire and diamond three stone ring. Set with an oval old cut natural unenhanced sapphire in an open back four claw setting with an approximate weight of 1.40 carats, further set with two round old cut diamonds in open back claw settings with a combined weight of 1.00 carats, further adorned with six round old cut diamonds in open back grain settings with a combined weight of 0.06 carats. The total approximate diamond weight is 1.06 carats, to an elegant three stone design featuring curving claws, a structured openwork gallery and fancy shaped open backholing, flanked by gently sloping shoulders leading through to a solid D-shape shank. Marked platinum and iridium, signed 'TIFFANY & CO', American, circa 1950, accompanied by Gem & Pearl Laboratory report #18034.
