6. Graff Pink Diamond $46 million
Graff Pink Diamond ($46 million) shows the pink fancy color diamond with a 24.78 carat emerald-cut diamond that owned by the Harry Winston. In 2010 this fancy intense owned by the David Bennett. Graff pink diamond is the most applicable and describe diamond over to come in the auction, its extreme beauty will hang me; it sold to Laurence Graff for $46 million, the most ever spent on a jewel at auction.