An Art Deco Ceylon sapphire ring Platinum ring with a delicate gold wire band and oval bezel set with a natural oval step-cut Ceylon sapphire (ca. 14.0 ct, ca. 16.20 x 12.75 x 7.75 mm). Certificate Gemstone-Report no. 031663 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.The original Cartier certificate (no. 2268) no longer available. Bezel 18.0 x 14.3 mm. Weight 6.99 g. Ring size 47. Sapphire with signs of use. The ring band reduced. Provenance Acquired from Christie's Geneva, auction "The magical Art of Cartier" on 19.11.1996, lot 268. Cartier, New York 1927.