Burmese colour change sapphire and diamond three stone ring. Set to the centre with a cushion shape old cut natural unenhanced Burmese blue/purple colour change sapphire in an open back claw setting with an approximate weight of 2.50 carats, each side set with one square old mine diamond in an open back claw setting with a combined approximate weight of 1.00 carats, to an elegant three stone design featuring split claws, an intricately pierced gallery with scrolling motifs and shaped backholing, flowing through to tapering grooved shoulders that continue around the slim tapering shank. Marked 18 carat yellow gold and platinum, circa 1950, accompanied by a Gemmological Services Report #79189-81.
