Lot 324. Property Formerly from the Estate of Marianne Gould McDonough and Thence by Descent. Platinum, Sapphire and Diamond Ring by John Rubel. The emerald-cut sapphire weighing 31.34ct is flanked by two baguette diamonds weighing approximately 1.00ct, size 6, signed John Rubel & Co., numbered 4690, circa 1947. Sold for US$785,000 (estimate: US$200,000-$300,000). Courtesy of Sotheby's.

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