Platinum, 18 karat gold and fancy intense yellow  diamond ring. Photo Sotheby's. 

The cut-cornered rectangular modified brilliant-cut diamond of fancy intense yellow color weighing 3.12 carats, flanked by trapeze-shaped near colorless diamonds weighing approximately 1.00 carat, size 5¾. ESTIMATE 35,000-40,000 USD

NOTE: Accompanied by GIA report no. 15164801 stating that the diamond is Fancy Intense Yellow, Natural Color, SI1 clarity.

Sotheby's. Important Jewels, New York | 09 Feb 2012 www.sothebys.com