Lot 323. An exceptional pear-shaped 55.52-carat D Flawless Type IIa diamond. Estimate CHF 8,500,000 - CHF 10,500,000. Price realised CHF 8,453,000. © Christie's Image Ltd 2015 

The pear-shaped diamond weighing approximately 55.52 carats, in red leather fitted case 

Accompanied by report no. 1162568312 dated 24 October 2014 from the GIA Gemological Institute of America stating that the diamond is D colour, Flawless clarity, with Excellent Polish and Excellent Symmetry and a Diamond Type Classification letter stating that the diamond is Type IIa

Christie's. MAGNIFICENT JEWELS, 13 May 2015, Geneva