Antique diamond cluster ring. Set to centre with one round old cut diamond in an open back rubover setting with an approximate 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, featuring intricate openwork with millegrain edging, a decoratively pierced scalloped gallery and fancy shape open backholing, leading to split shoulders and flowing through to a solid D-shape shank. Tested yellow gold and platinum, circa 1910.
