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A yellow flawless diamond weighing greater than 303 carats will likely be auctioned with out reserve in December at Sotheby’s in New York. Whereas bids beginning at US$1 million, it might fetch within the area of US$15 million, based on the public sale home’s estimates.

Generally known as the Golden Canary for its wealthy brownish-yellow tone, the gemstone is likely one of the largest diamonds, lower and polished, on this planet, and the most important flawless or internally flawless diamond ever graded by the Gemological Institute of America (GIA), based on Sotheby’s.

The pear-shaped diamond was re-cut from the 407-carat shield-shaped diamond often called the “Incomparable Diamond.” The latter was in flip lower from an 890-carat tough diamond found in a pile of rubble within the Democratic Republic of Congo within the Eighties by a younger woman taking part in in her uncle’s backyard, which was near a diamond mine, based on Sotheby’s.

The tough diamond was first unveiled to the general public in 1984 on the Smithsonian Nationwide Museum of Pure Historical past. Over the following 5 years, it was lower into 15 separate stones, and the most important one, often called “The Incomparable,” went on to be displayed world wide, together with the American Museum of Pure Historical past in New York in 1997, the Muséum Nationwide d’Histoire Naturelle in Paris in 2001, and in an touring exhibition with stops within the Royal Ontario Museum and the Houston Museum of Science in 2008. 

“Steeped in historical past, the Golden Canary is likely one of the most beautiful diamonds to ever be found, not just for its sheer measurement and depth in coloration, however for its gorgeous magnificence that’s positive to captivate collectors world wide,” Quig Bruning, head of bijou for Sotheby’s America’s, mentioned in a press release.

Beforehand, Sotheby’s offered a 100-carat cushion-shaped fancy vivid yellow diamond, Graff Vivid Yellow, in Geneva in 2014 for US$16.3 million, a world public sale document for a yellow diamond. 

Coloured diamonds have been shining at Sotheby’s latest auctions in Hong Kong, Geneva, and New York. In February, the public sale home offered a 555.55-carat black diamond for £3.2 million (US$4.3 million), which was additionally supplied on the market with out reserve, that means the best bidder grew to become the brand new proprietor.

Earlier this month, Sotheby’s offered a 11.15-carat pink diamond, Williamson Pink Star, at a Hong Kong public sale for HK$453.2 million (US$57.7 million), greater than double its presale estimate. 

A gaggle of eight fancy blue diamonds from De Beers and Diacore, with a mixed estimate of US$70 million, will likely be offered throughout a sequence of gross sales at Sotheby’s this yr and all through the spring 2023.

The Golden Canary will likely be supplied on Dec. 7 at Sotheby’s in New York. It’s at the moment being exhibited on the public sale home’s galleries in Dubai and can then journey to cities together with Taipei, Geneva, and Hong Kong.