Buccellati diamond ring. Set with one cushion shape old mine diamond in an open back rubover setting with an approximate weight of 0.30 carats, and further adorned by eight round eight cut diamonds in open back grain settings with a combined weight of 0.15 carats. The total approximate diamond weight is 0.45 carats, to a stylised band featuring elaborate openwork, fancy open backholing and intricate engraving throughout, approximately 6.5mm in width. Tested yellow gold and white gold, signed 'Mario Buccellati', Italian, circa 1940.
