A sapphire and diamond ring The cushion-shaped, within a brilliant-cut diamond surround, mounted in 18 carat white gold, diamonds approx. 0.50 carat total, London hallmark, ring size L Accompanied by a report from GCS stating that the sapphire, weighing approximately 5.6 carats, is natural, of Burmese origin, with no evidence of heat treatment. Report number 79196-03, dated 23th January 2019.