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Christie’s 19-carat pink diamond could fetch up to $50 million at auction

Click to play video: 'Rare pink diamond sold for about $57 million Canadian at auction' Rare pink diamond sold for about $57 million Canadian at auction
WATCH: The Pink Legacy diamond sold for 44.5 million Swiss francs, about $57 million Canadian, on Tuesday at an auction in Geneva, Switzerland – Nov 13, 2018

A pink diamond weighing in at almost 19 carats is set to go on tour before being auctioned in Geneva, and could fetch a record price of between $30 million and $50 million, Christie’s auction house announced on Tuesday.

The rectangular cut Pink Legacy is rated “vivid,” the highest rating for a diamond‘s color, and weighs 18.96 carats, making it the largest fancy vivid pink diamond Christie’s has ever offered for auction.

READ MORE: ‘Pink Star’ diamond becomes world’s most expensive gem (again)

It was once part of the Oppenheimer collection, Christie’s said, referring to the family who built De Beers into the world’s biggest diamond trader.

WATCH: Christie’s 19-carat pink diamond to fetch up to $50 million at auction

Click to play video: 'Christie’s 19-carat pink diamond to fetch up to $50 million at auction' Christie’s 19-carat pink diamond to fetch up to $50 million at auction
Christie’s 19-carat pink diamond to fetch up to $50 million at auction – Sep 25, 2018

“Its exceptional provenance will no doubt propel it into a class of its own as one of the world’s greatest diamonds,” said Rahul Kadakia, international head of jewelry at Christie’s.

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READ MORE: Pink diamond owned by Princess Mathilde Bonaparte sells for $15.9M

Only four vivid pink diamonds of over 10 carats have ever been offered for sale at auction, with a record price per carat set last November when Christie’s Hong Kong sold “The Pink Promise,” an oval-shaped diamond of just under 15 carats, for $32,480,500.

The Pink Legacy will be shown in Hong Kong, London and New York before being auctioned by Christie’s Geneva on Nov. 13.

WATCH: Rare pink diamond goes on display in Hong Kong

— With files from Alex Fraser

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