An important Ceylon sapphire and old cut diamond ring. The cushion cut sapphire in the centre � certified as natural, unheated or originating from Ceylon (Sri Lanka) displays a bright cornflower blue. The centre is an eight-claw platinum coronet collet and is flanked on either side by a pair of high quality old mine cut diamonds, each weighing over half a carat, in four-claw platinum collets, leading to a slim and tapering 18k white gold shank. Unique, utterly individual and very, very beautiful.Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.Cut � Cushion cut sapphire with old mine cut diamonds.Colour � The diamonds are I.Clarity � The sapphire is loupe clean. The diamonds are VS1 to VS2.Carat � The sapphire is a known 7.10 carat. The diamonds are 0.52 carat and 0.56 carat.Circa � 1940.Size � J (UK) or 4 5/8 (US). Complimentary sizing is available, can go up or down.Measurements � The sapphire is 12.98 x 9.79mm. From the outer edge of one diamond to the other is 20.7mm and sits 6.1mm from the finger.Metal � The diamonds are sapphire are set in platinum. On a 18k white gold shank. Tested.