Vintage diamond cluster ring. Horizontally set with three marquise shape old cut diamonds in open back rubover settings with a total weight of 0.40 carats, further set with twenty two round old cut diamonds in open back grain and claw settings with a combined approximate weight of 0.66 carats. The total approximate diamond weight is 1.06 carats, to a graduating openwork cluster design with millegrain highlights, an intricately pierced gallery and fancy open backholing, the chamfered trumpeting shoulders taper down to a solid chamfered shank. Marked platinum and iridium, American, circa 1950.
