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Ceylon Sapphire and diamond coronet cluster ring, circa 1915.

About the Item

Ceylon sapphire and diamond coronet cluster ring. Set to center with an impressive oval old cut natural unenhanced sapphire in an open back claw setting with a weight of 4.764 carats, surrounded by twelve cushion shaped old mine diamonds in open back claw settings with a combined approximate weight of 1.30 carats, flanked by two cushion shaped old mine diamonds in open back grain and rubover settings with a combined weight of 0.10 carats. The total approximate combined diamond weight of 1.40 carats to an elegant coronet cluster design featuring curving claws, a pierced gallery and fancy open backholing, leading toa linear engraved shoulders and a solid D-shaped shank. Tested as gold and platinum, circa 1915, accompanied by Swiss Gemological Institute (SSEF) report #115296.

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