5 mai 2013
Diamond ring, René Boivin, 1933-1934
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Lot 36. Diamond ring, René Boivin, 1933-1934. Estimate 29,000 — 39,000 CHF. Lot sold 37,500 CHF . Courtesy Sotheby's The central circular-cut diamond weighing 5.21 carats, set between fluted shoulders set with circular- and single-cut diamonds, size 481/2,...