Left, the Night of the Iguana Brooch, estimated worth £150,000 to £250,000 ($231,000 to $385,000), and Elizabeth wearing the brooch in 1965. Right, the 33.19 carat Elizabeth Taylor diamond, said to be potentially internally flawless, is expected to fetch £2.2m ($3.3m), ,far right, Elizabeth wearing the diamond ring [CNTV]