A diamond "Lucida" ring, by Tiffany & co.

Set with a Lucida-cut diamond, weighing approximately 6.48 carats, to the tapered polished platinum band, in a Tiffany & Co. black suede box. Signed Tiffany & Co., 1999. Est. $120,000 - $180,000 - Sold $218,500

With report 11932802 dated 13 May 2002 from the Gemological Institute of America stating that the diamond is D color, VS1 clarity; with laser inscription LUCIDA, which is a trademark of Tiffany & Co.

Christie's. Jewels: The New York Sale. 22 April 2009. New York, Rockefeller Plaza www.christies.com Photo: Christie's Images Ltd 2009