AP - Fri Apr 7, 12:03 PM ET
A D-color, flawless diamond ring of 50.53 carats with an estimate of $3,500,000 is displayed at Christies auction house, Friday, April 7, 2006 in New York. The ring is a part of the 'Magnificent Jewels' sale that opens Christies spring season. (AP Photo/Dima Gavrysh)