A 10.02 carats modified pear-shaped diamond ring. Estimate $600,000 – $700,000. Photo Christie's Image Ltd 2015

Set with a modified pear-shaped diamond, weighing approximately 10.02 carats, to the circular-cut diamond hoop, mounted in platinum, ring size 6

With report 2131696108 dated 11 August 2011 dated Gemological Institute of America stating that the diamond is D color, VS1 clarity

Christie's. MAGNIFICENT JEWELS, 14 April 2015, New York, Rockefeller Plaza