Art Deco cushion shape old mine diamond ring. Set to centre with a cushion shape old mine diamond, J colour, VVS2 clarity, with a weight of 3.24 carats in an open back rubover setting, flanked by eight cushion shape French cut diamonds in open back rubover settings with a combined weight of 0.24 carats, further adorned by forty two round eight cut diamonds in open back grain settings with a combined weight of 0.42 carats. The total approximate diamond weight is 3.90 carats, to a bombé design featuring millegrain edging and fancy geometric backholing, the tri-split shoulders flowing to a solid D-shape shank. Marked platinum and iridium, signed 'Erwin Reu Co', American, circa 1930, accompanied by Gemmological Institute of America report #2165184947.
