LONDON - DECEMBER 05: Christie's employee Becky Markley holds the Wittelsbach diamond in front of a portrait of the Infanta Margarita Teresa of Spain on December 5, 2008 in London. The Wittelsbach Diamond, estimated to sell for £9 million, is part of Christie's 'Jewels: The London Sale' held on December 10, 2008 in London. The diamond is an extremely rare 35.56 carat 17th century fancy deep greyish blue. King Philip IV of Spain presented the Wittelsbach diamond to his daughter the Infanta Margarita Teresa in 1664 as part of her dowry. (Photo by Peter Macdiarmid/Getty Images)
