Antique diamond cluster ring. Set with one central round old cut diamond in an open back rubover setting with a weight of 0.45 carats, further set with sixty four round old cut diamonds in open back grain and rubover settings with a combined weight of 1.20 carats. The total approximate diamond weight is 1.65 carats, to an ornate symmetrical openwork cluster, above a pierced scalloped gallery with ornate backholing, and flanked by raised split shoulders and leading through to a solid D-shape shank. Tested yellow gold and platinum settings, circa 1910.
