An octagonal-cut sapphire ring by Cartier

An octagonal-cut sapphire ring by Cartier, the sapphire weighs 9.50cts and set in platinum, signed Cartier and inventory number HL1770, London platinum marks for 1998, size K 1/2, case by Cartier

Accompanied by report number 80240-72 dated 7 November 2019 from GCS stating that the octagonal-cut sapphire weighs 10.00cts approximately and is a natural sapphire with no indications of heat treatment. Origin: Sri Lanka (Ceylon)