Blue diamond sold for CHF21.4 million


A blue diamond, the largest of its kind in the world, has been sold at auction in Geneva for CHF21.4 million ($24 million) to US jeweller Harry Winston, taken over earlier this year by Switzerland’s Swatch Group.

This content was published on May 15, 2014 and agencies

The seller of the flawless pear-shaped gem, known simply as “The Blue”, wished to remain anonymous. Swatch had announced after its purchase of Harry Winston that it wished to increase the jeweller’s diamond portfolio to meet international demand.

The pear-shaped stone had been estimated at up to CHF22.5 million. It weighs 13.22 carats and was the highlight of Christie’s auction on Wednesday, at which 217 objects were sold for a total of CHF138.9 million.

Six months ago, the auction house sold in Geneva a 14.82-carat orange diamond for the record price of CHF31.2 million.

Also on Wednesday, rival Sotheby’s said its spring auction had sold a world record $141.5 million (CHF126 million) in jewellery.

The auction house said seven records in all were set at the Geneva auction including the highest amount ever paid for a yellow diamond – $16.3 million for the 100.09-carat “Graff Vivid Yellow” diamond ring.

In compliance with the JTI standards

In compliance with the JTI standards

More: SWI certified by the Journalism Trust Initiative

You can find an overview of ongoing debates with our journalists here. Please join us!

If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at

Change your password

Do you really want to delete your profile?

Your subscription could not be saved. Please try again.
Almost finished... We need to confirm your email address. To complete the subscription process, please click the link in the email we just sent you.

Discover our weekly must-reads for free!

Sign up to get our top stories straight into your mailbox.

The SBC Privacy Policy provides additional information on how your data is processed.