The World of Heidi Horten auction preview in Geneva
epa10615409 The Sunrise Ruby and Diamond ring of 25.59 carats by Cartier, estimated between 14,000,000 - 18,000,000 CHF (Swiss Francs), is on display during a preview of 'The World of Heidi Horten' at Christie's prior the auction sale in Geneva, Switzerland, 08 May 2023. The 700 pieces belong to the jewellery collection of late Austrian billionaire Heidi Horten, widow of businessman Helmut Horten. EPA/SALVATORE DI NOLFI
