Sapphire and diamond ring. Set with an octagonal emerald-cut natural unenhanced sapphire in an open back corner claw setting with an approximate weight of 2.45 carats, flanked by ten tapered baguette cut diamonds in open back rubover channel settings with a combined approximate weight of 0.99 carats, to an impressive linear design featuring polished edges, a curving collet and intricate open backholing, the heavy integrated shoulders tapering through to a solid D-shape shank. Marked platinum, further inscribed '2.45 0.99', circa 1975, accompanied by a Reporte de piedras de colour coloured stone report # 001549.
