Ruby cabochon and diamond cluster ring. Set to centre with an oval cabochon natural unenhanced ruby in an open back four claw setting with an approximate weight of 3.00 carats, bordered to top and bottom by twelve round old cut diamonds in open back rubover and grain settings with a combined weight of 0.36 carats, and flanked by six rectangular baguette cut diamonds in open back rubover settings with a combined weight of 0.30 carats. The total approximate diamond weight is 0.66 carats, to a floral geometric cluster design with scalloped edging, finely pierced openwork gallery and shaped backholing, the open shoulders smoothing down to a solid D-shape shank. Marked platinum and iridium, American, circa 1950.
