Art Deco diamond and emerald cluster ring. Horizontally set with three marquise shape old cut diamonds in open back rubover settings with a combined approximate weight of 1.10 carats, further set with two rectangular baguette cut diamonds in open back rubover settings with combined weight of 0.14 carats, encircled by twenty six round old cut diamonds in open back grain settings with a combined weight of 0.75 carats, further adorned with eight triangular step cut natural emeralds with no colour enhancement in open back rubover settings with an approximate total weight of 0.25 carats. The total approximate diamond weight is 1.99 carats, to an ornate three stone cluster design featuring millegrain borders, a linear openwork gallery and fancy open backholing, leading to raised shoulders with geometric engraved motifs and flowing through to a tapering square shank. Tested platinum, circa 1920.
