Five stone ruby and diamond cluster ring, circa 1920.
Five stone ruby and diamond cluster ring. Horizontally set with five oval French cut natural unenhanced rubies in open back rubover settings with a combined approximate weight of 2.00 carats, surrounded by twenty round old cut diamonds in open back grain settings with a combined approximate weight of 0.60 carats, to an openwork cluster design featuring millegrain edging, a pierced gallery with chenier detail and open backholing, leading to engraved shoulders and flowing through to a tapering shank with intricate foliate decoration. Tested platinum, circa 1920.