Sapphire and diamond coronet cluster ring. Centrally set with a cushion shape old cut natural unenhanced Ceylon sapphire in an open back rubover setting with an approximate weight of 14.70 carats, encircled by a single row of thirty six round old cut diamonds in open back grain settings with a combined approximate weight of 0.40 carats, to an impressive coronet cluster design with polished borders, supported by an openwork geometric gallery and fancy open backholing, flanked by raised shoulders which curve to a solid D-shape shank. Marked platinum with yellow gold settings, English, circa 1935, accompanied by Gemmological Certification Services report #5777-9999.
