Lucapa Diamond Company recovered a 104-carat, D color diamond.
The type IIa stone is the fourth rough diamond above 100 carats extracted from the deposit this year and the fifth since operations began at its Lulo mine in Angola.
The diamond is the latest special diamond found at Lulo weighing more than 10.8 carats.
The mine’s largest pink diamond a 38.6-carat pink diamond was unveiled earlier this month.