Kashmir sapphire and diamond octagonal cluster ring. Set with one central oval old cut natural unenhanced Kashmir sapphire in an open back rubover setting with an approximate weight of 1.48 carats, surrounded by fifty two round eight cut diamonds in open back grain settings with an approximate total weight of 0.50 carats, to an octagonal shaped cluster, above an ornate openwork gallery with pierced backholing and flanked by raised shoulders supported by cheniers, and on a D-shaped shank. Marked platinum, French, circa 1925, accompanied by IGI report #F5H33184.
