SAPPHIRE AND DIAMOND RINGThe cushion-shaped sapphire within a surround of brilliant-cut diamonds, between similarly-cut diamond shoulders,ring size KFor further information on this lot please visit theProvenance: Apanied by a report from GCS stating that the sapphire, weighing approximately 3.50 carats, is of Sri Lankan origin with no indications of heat treatment. Report number 81298-44, dated 18th March 2021.