A marquise-cut diamond ring

Set with a marquise-cut diamond weighing 9.91 carats to the tapered baguette-cut diamond shoulders and plain hoop, mounted in 18k white gold, ring size 5¾. Estimate CHF310,000 - CHF440,000 ($280,635 - $398,321 - Price Realized CHF627,000 ($567,608)

Accompanied by report no. 12214799 dated 15 August 2002 from the GIA Gemological Institute of America stating that the diamond is D colour, VS2 clarity

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