The Phillips jewelry auction, held on November 10, 2025 at the Hôtel Président in Geneva, set a new record with total sales of CHF 13.7 million (equivalent to 17 million dollars).
The auction recorded a sale rate of 85% by lot and 90% by value, confirming the international success of the Phillips jewelry auction and the growing interest in high-quality vintage jewelry.
The Vanderbilt jewels conquer the Phillips auction in Geneva
The undisputed protagonist of the auction was the Vanderbilt family collection, entirely sold and able to exceed the initial estimate by four times, with a total of CHF 3.4 million (US$ 4.25 million).
The symbolic piece, “The Vanderbilt Sapphire” by Tiffany & Co., a magnificent Kashmir sapphire of 42.68 carats with diamonds, was sold for CHF 2.876 million (US$ 3.57 million). This Belle Époque masterpiece, emblematic of the elegance of the Gilded Age, attracted collectors from all over the world.
Top 10 sales of the Phillips jewelry auction
Among the most significant results of the Phillips Geneva Jewels Auction V are:
- Ring with 18.09-carat Kashmir sapphire – CHF 2.266 million (US$ 2.81 million).
- Ring with light pink diamond of 10.08 carats, SI1 Type IIa – CHF 709,500.
- Diamond earrings D Colour VVS1, over 16 total carats – CHF 670,800.
- Clip Graff with Fancy Yellow diamonds, over 20 carats each – CHF 645,000.
- Cartier pin from 1908 from the Vanderbilt collection – CHF 451,500.
- Ring with 20.08 carat Paraiba tourmaline – CHF 438,600.
- Ring with G Colour diamond, VVS2, 13.02 carats – CHF 374,100.
- Van Cleef & Arpels pendant from the ’20s – CHF 335,400.
- Bulgari “Serpenti” belt 1970s – CHF 296,700.
Many of these lots exceeded the highest estimates, confirming the market’s interest in signed jewelry and in the iconic designs of Cartier, Tiffany & Co., Bulgari, Van Cleef & Arpels, and Graff.
International Participation and Global Interest
The event welcomed over 1,600 visitors and bidders from 44 countries, with bids in the room, online, and by phone. According to Benoît Repellin, Worldwide Head of Jewellery at Phillips, “the results attest to the timeless appeal of historical jewelry and the expertise of our international collectors”.
This success consolidates the reputation of Phillips as a worldwide reference point in the vintage jewelry market, alongside houses like Christie’s and Sotheby’s.
Upcoming auctions and market outlook
The Geneva Jewels Online Auction will continue until November 13, 2025, while the next live Phillips jewelry auction is scheduled in New York on December 8, 2025.
The market for vintage and signed jewelry continues to show solidity and growth, driven by international demand and a growing interest in unique pieces with historical value. The performances in Geneva suggest that even in 2026 the high jewelry auction segment will remain in expansion.
The asta Phillips gioielli di Ginevra 2025 demonstrated that the allure of gioielli d’epoca remains unchanged. With record results and global participation, the Vanderbilt collection reaffirms the artistic, historical, and investment value of these timeless masterpieces.
As expert in digital marketing, Amelia began working in the fintech sector in 2014 after writing her thesis on Bitcoin technology. Previously author for several international crypto-related magazines and CMO at Eidoo. She is now the co-founder and editor-in-chief of The Cryptonomist and Econique.
She is also a marketing teacher at Digital Coach in Milan and she published a book about NFTs for the Italian publishing house Mondadori, while she is also helping artists and company to entering in the sector. As advisor, Amelia is also involved in metaverse-related project such as The Nemesis and OVER.
