LOT 187 An 18k white gold Ceylon sapphire ring
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18 kt Weißgold. Set with a large natural Ceylon sapphire in modified cushion cut (ca. 30.0 ct, ca. 18.70 x 16.5 x 10.95 mm) flanked on either side by two small baguette-cut diamonds. Hallmarks: Fineness 750. Bezel 1.9 x 2.0 cm. Ring size 55. Weight 15.38 g. 1940s. Certificate Gemstone-Report no. 031664 by the DSEF, Idar-Oberstein from 15.04.2021 confirms the stone to be a natural sapphire with no indications of heating (NTE). Origin: Sri Lanka. Tested insofar as mounting permits. Provenance Private collection north rhine westphalia.
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