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PHILLIPS ANNOUNCES HIGHLIGHTS OF THE GENEVA JEWELS AUCTION: VII
A Fancy Vivid Blue Diamond and an Important Kashmir Sapphire Ring Lead the Sale, with Highlights Including a Pearl and Diamond Necklace Formerly Owned by Queen Mary
GENEVA – 1 OCTOBER 2026 – Phillips is delighted to unveil highlights of The Geneva Jewels Auction: VII, taking place on 9 November 2026. This season marks the second time the sale will feature the recently introduced Collections & Provenance section, dedicated to period jewels, signed pieces and objects distinguished by their exceptional provenance. Among the highlights is a remarkable pearl and diamond necklace owned by Queen Mary, one of the most significant jewellery collectors in British royal history. Ahead of the auction, highlights will tour internationally to New York, Singapore, Paris, London and Taipei, before arriving in Geneva for the full exhibition at the Hôtel President from 4 to 9 November.
Benoît Repellin, Phillips’ Worldwide Head of Jewellery, said, “We are delighted to present highlights of The Geneva Jewels Auction: VII, bringing together an exceptional selection of jewels distinguished by extraordinary rarity, provenance and craftsmanship. Among the highlights are a 1.35-carat Fancy Vivid Blue diamond, a remarkable gemstone of exceptional colour, important Kashmir sapphires and magnificent emeralds with no clarity modification, as well as a cultured pearl and diamond necklace commissioned by Queen Mary in 1928 from London jeweller Hennell, offering collectors the opportunity to acquire jewels with both extraordinary beauty and compelling histories. Together, these pieces reflect the breadth of the market today, from rare coloured diamonds and exceptional gemstones to jewels from the world's most celebrated maisons and pieces with significant noble provenance. We look forward to sharing these highlights with collectors around the world as part of our international tour ahead of the auction in Geneva this November.”
Important Coloured Diamonds and Diamonds The auction is led by a remarkable and rare 1.35-carat Fancy Vivid Blue brilliant-cut diamond of exceptional colour, alongside a selection of coloured diamonds to be sold as one lot which includes two Fancy Purplish Red diamonds, a Fancy Dark Grey-Violet diamond, a Fancy Intense Green-Blue diamond, a Fancy Deep Purplish Pink diamond, a Fancy Intense Yellow-Orange diamond, a Fancy Yellow-Green diamond, a Fancy White diamond and a Fancy Vivid Yellow diamond. Further diamond highlights include an impressive 9.77-carat Old mine cut diamond and a 10.09-carat diamond ring, the epitome of perfection for colourless diamonds: D Colour, Flawless, with Excellent Cut, Polish and Symmetry, and Type IIa.
Collections & Provenance
The Collections & Provenance section of the sale brings together jewels distinguished by exceptional histories and provenance, led by a cultured pearl and diamond necklace formerly in the collection of Queen Mary. Created as a reproduction of the celebrated ‘Golden Jubilee Necklace’ presented to Queen Victoria in 1888, Queen Mary commissioned the London jeweller Hennell to create the reproduction necklace in 1928 and kept it in her collection until she subsequently gifted it to her niece, Mary Somerset, Duchess of Beaufort. A significant collector and patron of jewellery, Queen Mary commissioned the necklace for her private collection as a contemporary interpretation of a jewel she greatly admired. The original necklace presented to Queen Victoria, upon which the design of this necklace is based, had also become a favourite of Queen Elizabeth II, who wore it for her first State Opening of Parliament as monarch in 1952. Of openwork design, composed of graduating floral and trefoil motifs with a central quatrefoil motif, set throughout with circular-cut diamonds, the necklace features twenty-one cultured pearls measuring from approximately 5.85 mm to 13.50 mm, and the case is signed by Hennell. Having passed through private collections since its sale in 1986, the necklace now returns to the market for the first time in many years, offering collectors a rare opportunity to acquire a jewel of exceptional provenance and three generations of British royal history.
Sapphire and diamond ring weighing 5.62 carats, Kashmir, no heat. From a French Noble Family Estimate: USD 150,000 – 250,000. / CHF 125,000-200,000
Further highlights with extraordinary provenance include a 5.62-carat Kashmir sapphire and diamond ring from a French noble family; and an emerald and diamond bracelet presented by Empress Eugénie of the French to Françoise Laurence Staouëli de La Rochelambert, daughter of the Marquis de La Rochelambert and wife of Olivier de La Poëze, Chambellan to Emperor Napoleon III. Collections & Provenance also features a gold and gem-set cross from the collection of legendary ballet dancer Rudolf Nureyev.
Important Gemstones The gemstone offering is led by a 16.40-carat Kashmir sapphire and diamond ring and a late 19th-century sapphire and diamond brooch-pendant set with an 18.69-carat sugarloaf cabochon Kashmir sapphire. Further highlights include a 4.74-carat ruby and diamond ring and a 7.96-carat emerald and diamond brooch.
Jewels The auction brings together an exceptional selection of jewels from some of the world's most celebrated maisons. Highlights include a Van Cleef & Arpels ‘Liz’ sautoir composed of amethysts, coloured sapphires, corals and diamonds, alongside further jewels by the maison, such as the ‘Puppy’ brooch, part of ‘La Boutique’ Collection from the 1960s; a pair of Harry Winston emerald and diamond earrings; a Boucheron ruby and diamond parure and an 1891 natural pearl and diamond necklace; and a Lalique emerald and diamond bracelet. The selection is further complemented by jewels signed JAR, Boivin and Lacloche Frères.
AUCTION 9 November 3pm CET 2026 Auction viewing: 4-9 November 2026 Location: Hotel President Wilson, Quai Wilson 47, Geneva, 1211 Click here for more information: https://www.phillips.com/auction/CH060426/overview
HIGHLIGHTS TOUR
Hong Kong: 22-29 September 2026 1/F, WKCDA Tower, West Kowloon Cultural District, No. 8 Austin Road, West Kowloon
New York: 6-8 October 2026 432 Park Avenue, New York, NY 10022
Singapore: 16-17 October 2026 The St. Regis Singapore, 29 Tanglin Rd, Singapore 247911
Paris: 17-21 October 2026 Galerie Aveline, 94 Rue du Faubourg Saint-Honoré, 75008 Paris, France
London: 22-24 October 2026 30 Berkeley Square, London, W1J 6EX
Taipei: 23-25 October 2026 Hyper Arte, 5F., No. 155, Sec. 1, Jiuzong Rd., Neihu Dist., Taipei City 114066, Taiwan
Geneva: 4 – 9 November 2026 Hôtel President, Quai Wilson 47, Geneva, 1211
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