Yard Inc. sapphire and diamond "stepped-up" ring. Set with three horizontal rows of twenty nine square baguette cut natural unenhanced sapphires in open back channel settings with an approximate total weight of 3.00 carats, interspersed with two rows of twenty two square baguette cut diamonds in channel settings with an approximate total weight of 1.10 carats, to a heavy stepped bombé design with polished borders and intricately pierced square backholing, flanked by broad trumpeting ridged shoulders which continues down to a integrated stepped shank. Marked platinum and iridium, signed 'YARD INC', American, circa 1936.
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