An impressive colored diamond ring. Photo Christie's Image Ltd 2014

Set with a modified cut-cornered rectangular-cut fancy yellow diamond, weighing approximately 32.51 carats, mounted in 18k gold. Estimate $500,000 – $600,000

With report 5151720974 dated 10 October 2013 from the Gemological Institute of America stating that the diamond is fancy yellow, natural color, SI1 clarity 

Christie's. IMPORTANT JEWELS,10 June 2014, New York, Rockefeller Plaza - http://www.christies.com/