$21,505,914 Now that is a lot of diamond

THE ARCHDUKE JOSEPH DIAMOND 
            
 Lot Description
THE ARCHDUKE JOSEPH DIAMOND
The unmounted cushion-shaped
diamond weighing  approximately 76.02 carats, in purple leather fitted box
Accompanied by report no. 5151001770 dated 14 September
2012 from  the GIA Gemological Institute of America stating that the diamond  is D colour,
Internally Flawless clarity; a letter indicating that the
diamond is Type IIa; a
GIA monograph and a letter dated 1 October 2012
stating that 'to date the
Archduke Joseph Diamond is the largest D-color,
Internally Flawless diamond we
have graded from the historic Golconda
region'.