 404.2-carat white diamond discovered at Lucapa's Lulo project in Angola. | So far Lucapa has unearthed seven diamonds over 100 carats from the Lulo diamond project. Located 150km from Alrosa's Catoca mine, the world's fourth largest diamond mine. Angola is the world’s No.4 diamond producer by value and No.6 by volume. Its industry is emerging from a long period of difficulty as a result of a civil war that ended in 2002. |  |