Art Deco 7.10 Carat Ceylon Sapphire & 1.08 Carat Old Cut Diamond Trilogy Ring, circa 1940An 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,