Mid Century 2.50 Carat Unheated Ceylon Sapphire & Diamond Cluster Ring, circa 1965A stylish and unique vintage cluster ring. The sapphire in the centre certified as natural, unheated, and originating from Ceylon (Sri Lanka), displays a soft but vibrant cornflower blue. The stone is rubover set in 18k white gold and surround by ten round brilliant cut diamonds. The cluster sits nice and low to the finger, with distinctive bow detailing in the shoulders, leading to a triple wire 18k white gold shank. Currently size P 1 2 (UK) or 7 3