A highly important pear-shaped  diamond ring, mounted by Cartier

Set with a pear-shaped diamond weighing 30.70 carats to the plain platinum hoop, ring size 9. Mounted by Cartier, no. T02371. Estimate CHF2,500,000 - CHF3,000,000 - Price Realized CHF2,843,000 ($2,573,699) 

Accompanied by report no. 11055019 dated 20 April 2009 from the GIA Gemological Institute of America stating that the diamond is D colour, VVS1 clarity, Potentially Internally Flawless

Accompanied by report no. 11055019 dated 01 March 2000 from the GIA Gemological Institute of America stating of America that the diamond is D colour, Internally Flawless clarity

Christi'es. jewels : The Geneva Sale. 13 May 2009. Geneva www.christies.com