A Burmese ruby weighing 25.59 carats has sold for a world record 28.25 million Swiss francs ($30.42 million) at an auction in Geneva.
The Sunrise Ruby, which has the rare grading of pigeon’s blood colour, was hotly contested over by two private collectors bidding by telephone, Sotheby’s auction house said, declining to name the eventual buyer.
From a private collection of Cartier jewels, it had been estimated at 11.7 million to 17.5 million Swiss francs.
Sotheby’s international jewellery division chairman David Bennett said it was a “new record price for a ruby” as he brought down the hammer to applause.
Mr Bennett later told reporters: “It becomes the most expensive coloured gemstone that is not a diamond.
“It completely mesmerised me, in a sense for me it is the stone of my [40 year] career, it’s just a magical stone.”
A historic pink diamond also auctioned fetched 14.8 million Swiss francs ($15.94 million).
Graded fancy vivid pink, it is believed to have been part of the famed jewellery collection of Princess Mathilde Bonaparte, niece of France’s Emperor Napoleon I, according to the auction house.
“The exquisite 8.72 carat stone only recently resurfaced, having been kept in a bank vault since the 1940s,” Sotheby’s said.
Neither the seller nor the buyer, a man bidding in the centre of the room, were identified.
“The market for coloured diamonds and precious gemstones has never been stronger, and pink diamonds rank among the rarest of all,” Sotheby’s said.
A rare natural pearl necklace, composed of two graduated rows strung with a total of 78 pearls, soared to 6.5 million Swiss francs ($8.6 million), setting a world auction record, Sotheby’s said.
“Natural pearls made huge prices, all soaring multiple times beyond pre-sale estimates,” Mr Bennett said.
In all, 453 of 484 lots found new owners, netting a total of 149.85 million Swiss francs ($202 million) at Sotheby’s jewellery sale.
At rival Christie’s in Geneva, a diamond brooch given by Spain’s King Alfonso XII to his wife as a wedding gift, and ruby ear pendants once owned by Jacqueline Kennedy Onassis are among highlights of a sale that could fetch more than $80 million.
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