Art Deco ruby and diamond three stone ring. Set with one central cushion shape old cut natural unenhanced Siam ruby in an open back grain setting with an approximate weight of 0.60 carats, flanked by two round old cut diamonds in open back grain settings with an approximate total weight of 0.70 carats, all to a three stone design featuring polished borders, a smooth gallery and open backholing, leading to raised shoulders and flowing through to a solid shank. Tested platinum, circa 1935.
