Gem Diamonds Limited has announced the discovery of an exceptional 183-carat white Type IIa diamond from the Letseng mine in Lesotho on February 3.
The miner also announced that it also recovered two different high quality diamonds, one of 89 carats and the other of 70 carats, from the mine. 
The Letseng mine is the highest dollar per carat kimberlite diamond mine in the world.
Source: DCLA