Vintage sapphire and diamond coronet cluster ring. Centrally set with a round double brilliant natural unenhanced Ceylon sapphire in an open back rubover setting with an approximate weight of 5.20 carats, surrounded by sixteen round brilliant cut diamonds in open back grain settings with a combined approximate weight of 0.60 carats, to an impressive coronet cluster with polished edges, an intricately pierced gallery featuring linear detail and open backholing, the raised shoulders flowing to a solid D-shape shank. Marked platinum, English, circa 1950, accompanied by Gemmological Certification Services report #78142-81.
