Ruby and diamond cluster ring. Set to centre with an oval old cut natural unenhanced Burmese ruby in an open back four claw setting with an approximate weight of 0.55 carats, surrounded by a cluster of twenty eight round old cut diamonds in open back grain, millegrain and rubover millegrain settings with an approximate combined weight of 1.00 carat, with scrolling openwork, curved collets and millegrain motifs, to a conforming openwork gallery with cheniers and trumpeted shaped shoulders, leading to a solid tapered shank. Marked platinum, circa 1950.
