Marquise diamond cluster ring. Set to centre with a marquise shape old cut diamond in an open back rubover setting with an approximate weight of 1.10 carats, encircled by ten round old cut diamonds in open back grain settings with a combined weight of 0.40 carats, further set with twenty eight round eight cut diamonds in open back grain settings with a combined weight of 0.30 carats. The total approximate diamond weight is 1.80 carats, to an elegant vertical openwork cluster design featuring millegrain borders, an intricately pierced gallery with scrolling details and fancy open backholing, flanked by trumpeting split shoulders with cheniers flowing down to a solid tapering D-shape shank. Tested platinum, circa 1925.
