South African billionaire Johann Rupert is $1.3 billion richer on a Cartier jewellery boom
Johann Rupert's fortune has risen to $17.4 billion from $16.1 billion in March, driven by record jewellery sales at Cartier and Van Cleef.
Luxury goods
Johann Rupert's net worth hit $19.9 billion and he has never been this close to $20 billion
Johann Rupert's net worth reached $19.9 billion on June 15, 2026, the highest it has ever been, as Richemont shares continued their powerful rally.
Johann Rupert's Richemont defies tariffs and record gold prices to post double-digit growth
Johann Rupert's Richemont grew annual sales 11% to €22.4 billion ($24.2 billion) and lifted profit 27%, shrugging off US tariffs and record gold prices.