J.E. Caldwell vintage ruby and diamond cocktail ring, American, circa 1950.
J.E.Caldwell vintage ruby and diamond cocktail ring. Set with twenty round old cut natural unenhanced Burmese rubies in open back claw settings with a combined approximate weight of 2.50 carats, combined with twenty round brilliant cut diamonds in open back claw settings with a combined approximate weight of 1.50 carats, to a bombé shaped tapering cluster of five petalled flowers, featuring curving claws, a smoothly conforming gallery and ornate open backholing, flanked by curved shoulders leading through to a solid D-shape shank. Marked platinum and iridium, signed 'J.E.C. & Co', engraved 'M.A.D. 12-25-58', numbered 'W4392', American, circa 1950.