Martian Pink diamond sold for $17.4M

Extremely rare Martian Pink diamond,the largest ever to hit the auction market was sold for over double its original estimate for $17.4m through auction house Christie's.

Extremely rare Martian Pink diamond,the largest ever to hit the auction market was sold for over double its original estimate for $17.4m through auction house Christie's.The "Martian Pink", a 12.04-carat Fancy Intense pink (Type IIa) diamond, is shown during a media preview at Christie's.