Art Deco diamond ring. Centrally set with eleven rectangular baguette cut diamonds in open back rubover channel settings with a combined approximate weight of 0.50 carats, further set with forty round old cut diamonds in open back grain settings with a combined weight of 1.20 carats. The total approximate diamond weight is 1.70 carats, to an openwork circular cluster with polished edges, a pierced gallery and fancy open backholing, the integrated shoulders tapering to a solid D-shape shank. Marked platinum and iridium, American, circa 1935.
