Star sapphire and diamond flanked solitaire ring, circa 1960.
Star sapphire and diamond flanked solitaire ring. Set to centre with an oval cabochon natural unenhanced star sapphire in an open back rubover setting with an approximate weight of 21.00 carats, flanked by six square french cut diamonds in closed back rubover settings with a combined approximate weight of 0.30 carats, to an impressive solitaire featuring polished edges, a smooth gallery and open and closed backholing, leading to broad integrated shoulders and flowing through to a solid D-shape shank. Tested platinum, circa 1960.