Ornate diamond ring. Set with one central round old cut diamond in an open back rubover setting with a weight of 1.75 carats, set to top and bottom with two round old cut diamonds in similar settings with a combined weight of 0.80 carats, all surrounded by a pierced scalloped frame set with thirty round eight cut diamonds in open back grain settings, flanked by raised split shoulders supported by cheniers and set with ten round eight cut diamonds in open back grain settings, all forty eight cut diamonds with a combined weight of 0.80 carats. The total approximate diamond weight is 3.35 carats, to an ornate cluster ring with millegrain borders, fancy shaped backholing, above an intricate openwork foliate gallery, and on a slim D-section shank. Marked platinum, circa 1915.
