An unmounted circular-cut colored diamond. Photo Christie's Image Ltd 2012

The circular-cut fancy light yellow diamond, weighing approximately 10.30 carats. Estimate $100,000 - $150,000. Price Realized $146,500

With report 1146957627 dated 20 August 2012 from the Gemological Institute of America stating that the diamond is fancy light yellow, natural color, VVS1 clarity 

Christie's. Magnificent Jewels, 10 December 2012. New York, Rockefeller Plaza.