Triple cluster diamond ring. Vertically set with three round old cut diamonds to centre in open back rubover millegrain settings with a combined weight of 0.60 carats, encircled by a swirling row extending down the shoulders of thirty six round old cut diamonds in open back millegrain and grain settings with a combined weight of 0.70 carats. The total approximate diamond weight is 1.30 carats. The triple cluster is set to an openwork gallery with extremely intricate backholing, the shoulders terminating at a point and flowing to a flat tapered solid shank. Tested platinum, circa 1920.