South African businessman Nicky Oppenheimer has a net worth of US$10.6 billion as of October 2026. He was formerly the chairman of De Beers diamond mining company.
About the Net Worth of Nicky Oppenheimer
Nicky Oppenheimer’s estimated net worth ranges from approximately US$10.6 billion to US$15.4 billion, depending on the valuation method used by different financial publications.
Forbes estimates the wealth of Oppenheimer and his family at around US$10.6 billion.
Bloomberg’s Billionaires Index estimates his wealth at approximately US$15.4 billion.
His fortune largely originated from the Oppenheimer family’s long-standing ownership of De Beers, the global diamond company.
In 2012, the Oppenheimer family sold its 40% stake in De Beers to Anglo American for approximately US$5.1 billion, later adjusted to about US$5.2 billion at completion.
The sale ended roughly 85 years of Oppenheimer family involvement and dominance in the global diamond trade.
Since the De Beers sale, Oppenheimer and his family have diversified their investments beyond the diamond industry.
Their investments now include sectors such as agriculture, infrastructure, aviation and private investments.
Oppenheimer founded Fireblade Aviation in Johannesburg in 2014, which provides private charter aviation services.
The family also owns extensive conservation land across South Africa, Botswana, Zimbabwe and Mozambique.
Oppenheimer’s current wealth therefore reflects a diversified portfolio of investments and assets rather than the value of the former De Beers stake alone.