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 a curving collet, intricate backholing and heavy integrated shoulders which taper through to a solid D-shape shank. Marked platinum, further inscribed '2.45 0.99', circa 1975.
