Sotheby’s Geneva to auction Beau Sancy diamond

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Stone will feature as part of 700-piece aristocratic jewels auction.

Sotheby’s in Geneva is set to host two auctions of more than 700 pieces of fine jewellery including the historical Beau Sancy diamond, the star lot with an estimate of between £2 to £4 million (£1.2 – £2.5m).

The Magnificent Jewels and Noble Jewels auctions will take place on May 14 and 15 in Geneva, lead by the Beau Sancy, dubbed “one of the most important historical diamonds to ever come to auction”.

The stone was worn by Marie de Medici at her coronation in 1610, passed down through the royal families in France, England, Prussia and was worn by de Medici at her coronation as Queen Consort of Henri IV of France.

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The 34.98ct modified pear double rose cut diamond was “almost certainly” discovered in the area of Golconda in India, the sole source of diamonds until the discoveries in Brazil in the 1720s.

It is estimated to sell at the Geneva auction for somewhere between £1.25m and £2.5m.

David Bennett, chairman of Sotheby’s jewellery department in Europe and the Middle East said: “With fascinating Noble Jewels led by the legendary Beau Sancy diamond, several important private collections including the personal jewels of Suzanne Belperron, and many exceptional gemstones and period creations, the May auction should be a delight for all lovers of fine Jewellery.”

The Noble Jewels sales will feature “jewels with aristocratic provenance” and is the auction house’s sixth annual sale of jewellery and stones with history.

A number of the items in the sale belonged to prestigious European families and this year will include the Murat Tiara, an impressive pearl and diamond diadem created in 1920 by Joseph Chaumet for the marriage of Prince Alexandre Murat to Yvonne Gillois.

The tiara boasts one of the largest natural pearls ever recorded, at 303.37 grains, with the SSEF laboratory stating “natural pearls of this size, quality and with a documented historic provenance are very rare and thus the described tiara with three large pearls represents a very exceptional treasure”.

Further royal jewels will also feature in the sale, including a necklace suspending a detachable pear‐shaped D colour diamond weighing 41.40 carats, estimated to sell for between £1.88m to £3.14m and part of a collection from the Swiss royal family.

Further pieces from the Swiss royal family include a Bulgari diamond and emerald necklace, while a step-cut sapphire ring once belonging to Queen Victoria Eugenia of Spain and passed down through the royal family to its present owner will also be for sale, with a guide price upwards of £15,700.

Thirteen jewels from the estate of the late Prince Kinsky will also be presented, “shedding light on the history of one of most illustrious and oldest dynasties originating from Bohemia”, with jewels including a pearl and diamond necklace from 1880.

Jewellery from the personal collection of master jeweller Suzanne Belperron, who died in 1983, will be sold on May 14 at Sotheby’s Geneva. Sixty lots from her own personal collection will be sold.

Diamonds of D colour will feature throughout the auction, with a 36.43 flawless diamond ring by Harry Winston leading the diamond sales, with an estimated sale price of more than £2.22m.

A second flawless diamond ring, this time from Van Cleef & Arpels, will also be on sale. The 21.88ct stone is forecast to win bids beyond £1.06m.

Finally more than 80 pieces from a private collection of gems and jewels will be auctioned during the two day proceedings, with jewels from Cartier, Harry Winston, Van Cleef & Arpels and Bulgari among the lots.

 

 

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