Named the Argyle Pink Jubilee, the huge rough stone was found at Rio`s pink diamond operations in the Kimberley region.
The 24.78 carat pink diamond was sold for $46,158,674 by Sotheby`s in Geneva.
Sotheby`s says it expects a rare pink diamond to set a new world record price.
Day in Pics: 24th October
Showbiz World - October 24, 2014
Aamir Khan's sensational 'PK' posters