LONDON - SEPTEMBER 20: Author of " Diamonds" Vicky Patterson models the Black Orlov diamond during a photocall, September 20, 2005 in London, England. The 67.5-carat diamond Black Orlov, believed to be responsible for the death of two Russian princesses and a New York diamond dealer, forms part of an exhibition of Diamonds at the Natural History Museum. (Photo by Bruno Vincent/Getty Images)
