Marquise diamond cluster ring. Vertically set with a marquise shape old cut diamond in an open back rubover setting with a weight of 1.10 carats, encircled by ten round old cut diamonds with a combined weight of 0.40 carats and twenty eight round old single cut diamonds with a combined weight of 0.30 carats, all in open back grain settings. The total approximate diamond weight is 1.80 carats, to an elegant vertical cluster with ornate millegrain openwork throughout and a fancy scrolling decorative gallery with intricate pierced backholing, flanked by cheniers to the shoulders and tapering smoothly down to a solid D-shape shank. Tested platinum, circa 1925.
