Art Deco 4.90 Carat Cabochon Sapphire & Diamond Ring, circa 1930An elegant vintage sapphire and diamond cluster ring. The natural cabochon sapphire in the centre displays a rich, deep blue a colour which is emphasised by the 18 bright white eight cut diamonds in the surround. All the gems are rubover set in platinum, with beautiful ornate detailing in the under gallery, leading to a slender platinum shank. Currently size N (UK) or 6. 5 (US). Free sizing available. Accompanied by a diamond grading report from IGR.