A ruby, diamond and pearl necklace by Cartier with the La Peregrina 60-carat natural pearl pendant is pictured at the press preview for Christie's auction of The Collection of Elizabeth Taylor featuring her jewelry, haute couture, fashion, and fine arts at MOCA Pacific Design Center in Los Angeles October 10, 2011. The necklace is expected to bring $3 million at the auction beginning December 13 in New York.[Photo/Agencies]