Antique diamond triple cluster ring. Vertically set to centre with three round old cut diamonds in open back rubover settings with a combined approximate weight of 0.60 carats, further adorned with thirty six round old cut diamonds in open back grain settings with a combined weight of 0.70 carats. The total approximate diamond weight is 1.30 carats, to an elegant triple cluster design featuring intricate openwork with millegrain edging, a pierced linear gallery and open backholing, leading to smooth shoulders and flowing through to a flat solid shank. Tested platinum, circa 1920.
