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Nicky Oppenheimer's net worth in 2026

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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.

Nicky Oppenheimer Potrait

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.