Chaumet Unheated Burmese Ruby and Diamond Ring in Platinum

Set with a cushion-shaped ruby of 5.45 carats, flanked by diamond baguettes, mounted in platinum. With French assay mark for platinum and maker's mark for Chaumet. French ring size 55. Accompanied by GRS report no. GRS2023-128499 dated 12 December 2023 stating that the 5.45 carat ruby is of Mogok, Burmese origin and shows no indication of thermal treatment.