Ornate marquise diamond cluster ring. Set to centre with a marquise shape old cut diamond in an open back rubover setting with an approximate weight of 0.60 carats, flanked by eight round old cut diamonds in open back grain settings with a combined weight of 0.20 carats. The total approximate diamond weight is 0.80 carats, to an elegant cluster design with millegrain edges, a pierced linear gallery and open backholing, the integrated shoulders with scrolling openwork motif and intricate engraving tapering to a solid D-shape shank. Marked platinum, maker's mark, American, circa 1930.
