Burmesesapphire three stone ring. Set with three cushion shape old cutnatural unenhanced Burmese sapphires in open backrubover settings with an approximate combined weight of 2.70 carats, further enhanced by four round eight cutdiamonds in open back rubover settings with an approximate combined weight of 0.04 carats, to an elegant three stone design with fine millegrain highlights, an intricately pierced scrolling gallery and fancy open backholing, flanked by trumpeting split shoulders flowing through to a solid slim D-shapeshank. Testedplatinum, circa 1930.