AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an oval cut sapphire of 1.87 carats between two old cut diamonds, the diamonds both totalling 1.0 carats, stamped 18CT, size M / 6, 4.2g. Accompanied by a gemmological report stating that the sapphire is of Ceylon (Sri Lanka) origin, with no indications of heat treatment.