Lot 324. Formerly from the Estate of Marianne Gould McDonough and Thence by Descent. Sapphire and Diamond Ring, John Rubel, 31.34 carats, Ceylon, circa 1947. Estimate 200,000 - 300,000 USD. Lot sold 785,000 USD. Courtesy Sotheby's

The emerald-cut sapphire weighing 31.34 carats, flanked by two baguette diamonds weighing approximately 1.00 carat, size 6, signed John Rubel & Co., numbered 4690; circa 1947. Accompanied by AGL report no. CS 53848 stating that the sapphire is of Classic Ceylon origin, with no indications of heating. 

Property formerly from the estate of Marianne Gould McDonough and thence by descent

Accompanied by AGL report no. CS 53848 stating that the sapphire is of Classic Ceylon origin, with no indications of heating.

Sotheby's. Magnificent Jewels. New York | 17 avr. 2013