A Diamond Single-Stone Ring

The circular-cut diamond weighing 9.09 carats to the plain mount, with French import mark for platinum. Estimate £32,000 - £40,000 ($47,360 - $59,200) - Price Realized £39,650 ($58,801)

Accompanied by report No. 17458549 dated 17 July 2008 from the Gemological Institute of America (GIA) stating that the diamond is O-P colour, VS2 clarity

Christie's. Jewels: The London Sale. 10 December 2008. London, King Street. Image 2008. Christie's Ltd. www.christies.com