Fancy colour diamond flower ring by Oscar Heyman Bros. Set with thirty one round brilliant cut natural unenhanced yellow diamonds in open back grain settings with a combined approximate weight of 0.27 carats and further enhanced by thirteen round brilliant cut diamonds, approximately F colour with a combined weight of 0.19 carats in closed back grain and open back claw settings. The total approximate diamond weight is 0.46 carats, to an attractive undulating floral cluster, featuring curving claws, an openwork gallery and fancy open backholing, flanked by ridged diamond-set shoulders leading to a solid D-shape shank. Marked 18 carat rose gold, platinum and iridium, maker's mark for Oscar Heyman Bros, numbered '302391', American, circa 1980.
