A sapphire and diamond ring, by Cartier


The cushion-shaped sapphire, weighing 10.13 carats, set horizontally between pavé-set brilliant-cut diamond shoulders, signed Cartier, numbered 600535, workshop mark, French assay mark, ring size L
|Accompanied by a report from The Gem & Pearl Laboratory stating that the sapphire is of Sri Lankan origin, with no evidence of heat treatment. Report number 17026, dated 27 March 2019.Accompanied by a report from Gübelin stating that the sapphire is of Madagascan origin, with no indications of heating. Report number 18097291, dated 18 September 2018.Accompanied by a repair receipt from Cartier, dated 10 April 2014.