De Beers Venetia diamond minethe biggest diamond mine
De Beers. South Africas biggest diamond mine Venetia is located in the Northern Transvaal within Limpopo Province in the north-east part of the country. The mine is owned by De Beers which is a subsidiary of Anglo American. A reconnaissance sampling programme was carried out by De Beers in 1969 to detect the source of alluvial diamonds.