Fancy Intense Yellow diamond ring. Sold 565,000 CHF at Sotheby's Geneva, 14 november 2007, lot 334. 

The fancy intense yellow cut-cornered rectangular modified brilliant-cut diamond weighing 21.04 carats, set between trapeze diamond shoulders, mounted in yellow gold and platinum, size 53.

Accompanied by GIA report no. 14482635 stating that the diamond is Fancy Intense Yellow, Natural Colour, VS1 Clarity.