Nicky Oppenheimer

Diamonds are apparently forever for the Oppenheimer family. Despite rumors to the contrary, Nicky Oppenheimer is not looking to sell his family's 40% stake in DeBeers, the world's largest diamond producer which the family took private a decade ago The diamond producer has returned to profitability, helping boost his fortune to $7 billion, from $5 billion. Did sell a nearly 8% stake in Anglo American, the mining giant founded in 1917 by his grandfather Ernest; now has 2%. Passionate conservationist, owns Tswalu Kalahari Reserve, largest private game reserve in South Africa.