Ornate marquise diamond cluster ring. Set with a marquise shape old cut diamond to centre in an open back rubover setting with a 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 tapered form with scrolling openwork forming motifs to the shoulders, extending down to intricate engraving, an open conforming gallery with backholing, and a solid tapered D-shape shank. Marked platinum, maker's mark, American, circa 1930.
