An impressive rectangular-cut diamond ring

An impressive rectangular-cut diamond ring

The rectangular-cut diamond weighing 26.59 carats to the shield-shaped diamond shoulders and plain hoop, mounted in platinum, ring size 5¾. Estimate CHF450,000 - CHF550,000 ($407,374 - $497,902) -  Price Realized CHF555,000 ($502,428)

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