resultFull

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays important Fancy intense orangy Pink diamond ring, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 910,000 - 1.360.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays important Fancy intense orangy Pink diamond ring, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 910,000 - 1.360.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Fancy Vivid yellow diamond ring, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 1.100,000 - 1.800.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Patek Philippe "The Clarin Mustad" Reference 1518R, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 2,000,000 - 4.000.000 Swiss Francs. The auction will take place in Geneva, on November 05, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Fancy Vivid yellow diamond ring, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 1.100,000 - 1.800.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Koechert impressive ruby and diamond tiara, circa 1896, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 180,000 - 350.000 Swiss Francs. The auction will take place in Geneva, on November 06 and 07, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Koechert superb ruby and diamond necklace tiara circa 1893, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 110,000 - 160.000 Swiss Francs. The auction will take place in Geneva, on November 06 and 07, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays important Fancy intense orangy Pink diamond ring, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 910,000 - 1.360.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

Two wristwatch, left, Roger W Smith's Own Millennium Wristwatch, 2001, the last Millennium watch ever created estimate 1,000,000 Swiss Francs, right, The first Co-Axial Anniversary wristwatch ever created, 2011, estimate 500,000 Swiss Francs, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023.The auction will take place in Geneva, on November 05, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays important Fancy intense orangy Pink diamond ring, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 910,000 - 1.360.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

Two wristwatch, left, Roger W Smith's Own Millennium Wristwatch, 2001, the last Millennium watch ever created estimate 1,000,000 Swiss Francs, right, The first Co-Axial Anniversary wristwatch ever created, 2011, estimate 500,000 Swiss Francs, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023.The auction will take place in Geneva, on November 05, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Koechert superb ruby and diamond necklace tiara circa 1893, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 110,000 - 160.000 Swiss Francs. The auction will take place in Geneva, on November 06 and 07, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Koechert impressive ruby and diamond tiara, circa 1896, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 180,000 - 350.000 Swiss Francs. The auction will take place in Geneva, on November 06 and 07, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays an emerald and diamond necklace, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 1,650,000 - 2.540.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Koechert historical and important natural pearl and diamond tiara, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 270,000 - 450.000 Swiss Francs. The auction will take place in Geneva, on November 06 and 07, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays Koechert impressive ruby and diamond tiara, circa 1896, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 180,000 - 350.000 Swiss Francs. The auction will take place in Geneva, on November 06 and 07, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays an emerald and diamond necklace, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023. It is estimated to sell at 1,650,000 - 2.540.000 Swiss Francs. The auction will take place in Geneva, on November 08, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

Two wristwatch, left, Roger W Smith's Own Millennium Wristwatch, 2001, the last Millennium watch ever created estimate 1,000,000 Swiss Francs, right, The first Co-Axial Anniversary wristwatch ever created, 2011, estimate 500,000 Swiss Francs, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023.The auction will take place in Geneva, on November 05, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

Two wristwatch, left, Roger W Smith's Own Millennium Wristwatch, 2001, the last Millennium watch ever created estimate 1,000,000 Swiss Francs, right, The first Co-Axial Anniversary wristwatch ever created, 2011, estimate 500,000 Swiss Francs, during a preview at the Sotheby's, in Geneva, Switzerland, Thursday, November 02, 2023.The auction will take place in Geneva, on November 05, 2023. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Rolex, Daytona John Player Special, Reference 6241 | A yellow gold chronograph wristwatch with bracelet | Circa 1969, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 600,000 - 1.200.000 Swiss Francs. The auction will take place in Geneva on May 14. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Rolex, Daytona John Player Special, Reference 6241 | A yellow gold chronograph wristwatch with bracelet | Circa 1969, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 600,000 - 1.200.000 Swiss Francs. The auction will take place in Geneva on May 14. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Rolex, Daytona John Player Special, Reference 6241 | A yellow gold chronograph wristwatch with bracelet | Circa 1969, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 600,000 - 1.200.000 Swiss Francs. The auction will take place in Geneva on May 14. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Rolex, Daytona John Player Special, Reference 6241 | A yellow gold chronograph wristwatch with bracelet | Circa 1969, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 600,000 - 1.200.000 Swiss Francs. The auction will take place in Geneva on May 14. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Vivid Yellow and Fancy Yellow diamond necklace, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 2,300,000-3,200,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Vivid Purplish Pink diamond ring, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 5,800,000-7,330,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Vivid Purplish Pink diamond ring, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 5,800,000-7,330,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Intense Pink and Fancy Deep Grayish Blue diamond ring, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 7,330,000 - 11,990,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Intense Pink and Fancy Deep Grayish Blue diamond ring, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 7,330,000 - 11,990,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Intense Pink and Fancy Deep Grayish Blue diamond ring, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 7,330,000 - 11,990,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Fancy Intense Pink and Fancy Deep Grayish Blue diamond ring, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimated to sell at 7,330,000 - 11,990,000 Swiss Francs. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini)..

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays the Bulgari Laguna Blu stunning 11.16 Carat Fancy-Vivid Blue Diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimate in excess of $25 million. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini).

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays the Bulgari Laguna Blu stunning 11.16 Carat Fancy-Vivid Blue Diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimate in excess of $25 million. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini).

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays the Bulgari Laguna Blu stunning 11.16 Carat Fancy-Vivid Blue Diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimate in excess of $25 million. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini).

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays the Bulgari Laguna Blu stunning 11.16 Carat Fancy-Vivid Blue Diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 11 May 2023. It is estimate in excess of $25 million. The auction will take place in Geneva on May 16. (KEYSTONE/Martial Trezzini).

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

CAPTION CORRECTION FOR ALL PICTURES OF THE F2003 GA FERRARI : CORRECTS PRICE - The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 7,5 to 9,5 million Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The steering wheel of the formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The steering wheel of the formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The steering wheel of the formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is reflected in mirrors during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S FORMEL 1

The formula one Ferrari F2003 GA chassis number 229 with which Formula One F1 driver Michael Schumacher won his sixth World Championship title, estimated to sell between 700'500 - 9'500 Swiss francs (CHF), is displayed during a preview at Sotheby's before auction sale, in Geneva, Switzerland, Friday, November 4, 2022. (KEYSTONE/Salvatore Di Nolfi)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a De Beers fancy vivid blue 5.53 carat diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 11,000,000 - 35,000,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a De Beers fancy vivid blue 5.53 carat diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 11,000,000 - 35,000,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Cartier, London crash a yellow gold wristwatch made by Cartier London in 1989, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 300,000 - 600,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a De Beers fancy vivid blue 5.53 carat diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 11,000,000 - 35,000,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a De Beers fancy vivid blue 5.53 carat diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 11,000,000 - 35,000,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a De Beers fancy vivid blue 5.53 carat diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 11,000,000 - 35,000,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

Seven blue diamonds that could fetch, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 70 million Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Cartier magnificent and rare sapphire and diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 2,300,000 - 3,300,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Acheron Constantin Cioccolatone, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 500,000 - 1,000,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Cartier magnificent and rare sapphire and diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 2,300,000 - 3,300,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)

SCHWEIZ AUKTION SOTHEBY'S

A Sotheby's employee displays a Cartier magnificent and rare sapphire and diamond, during a preview at Sotheby's in Geneva, Switzerland, on Thursday, 3 November 2022. It is estimated to sell at 2,300,000 - 3,300,000 Swiss Francs. The auction will take place in Geneva on November 09. (KEYSTONE/Martial Trezzini)