An emerald and diamond necklace by Bvlgari 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 Desgin Center in Los Angeles October 10, 2011. The necklace is expected to bring $1.5 million at the auction which begins in New York December 13.[Photo/Agencies]

An emerald and diamond necklace by Bvlgari 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 Desgin Center in Los Angeles October 10, 2011. The necklace is expected to bring $1.5 million at the auction which begins in New York December 13.[Photo/Agencies]