Burmese ruby and diamond coronet cluster ring. Set to center with one cushion shape old cut natural unenhanced Burmese ruby in an open back rubover setting with an approximate weight of 0.60 carats, encircled by twelve round old cut diamonds in open back rubover and grain settings with a combined approximate weight of 0.35 carats, to a elegant coronet cluster design featuring millegrain boarders, a decoratively pierced openwork gallery and open backholing, leading to raised shoulders with chenier detail and flowing through to a solid D-shape shank. Tested white and yellow gold, circa 1915, accompanied by Gemmological Certification Services report #5782-3188.
