Graff Jewellers a leader in the diamond business since 1960 has purchased the 476 carat rough diamond  named The Meya Prosperity Diamond.

The Rough diamond was mined in Sierra Leone.

Graff paid $16.5 million for the exceptional rough diamond , another in a long line of extraordinary diamond bought by Graff.

The magnificent rough diamond is the 29th largest diamond ever recovered and is the fifth largest stone from Sierra Leone.