Ornate sapphire and diamond three stone ring. Set with a natural unenhanced cushion shape old cut sapphire to centre with an approximate weight of 1.50 carats in an open back grain and millegrain setting, flanked by two cushion shape old cut diamonds with a combined weight of 0.60 carats in open back grain and millegrain settings, further set with fifty four round rose cut diamonds with a combined weight of 0.60 carats in grain and millegrain settings. The total approximate diamond weight is 1.20 carats, to a rectangular ornate curving cluster form with intricate openwork throughout, flowing down to engraving on the shoulders and leading to a solid tapered shaped shank. Tested platinum, French assay mark, circa 1920.
