A Diamond Single-Stone Ring

The cushion-shaped diamond weighing 6.12 carats to the old-cut diamond shoulders and plain mount. Estimate £25,000 - £30,000 ($37,000 - $44,400) - Price Realized £37,250 ($55,242).

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