Platinum , fancy pink diamond and diamond ring, circa 1920. Photo Sotheby's

The modified pear-shaped diamond of fancy pink color weighing 2.35 carats, flanked by old European-cut diamonds weighing approximately .25 carat, size 5½. Estimate 100,000-200,000 USD.  Lot Sold: 278,500 USD

Accompanied by GIA report no. 2115848203 stating that the diamond is Fancy Pink, Natural Color, VS2 clarity. Together with a letter from the GIA stating that the diamond has been determined to be type IIa.

Sotheby's. Magnificent Jewels. New York | 07 Dec 2011 www.sothebys.com