"It is a world record for a Golconda diamond and a world record price per carat for a colourless diamond, " Francois Curiel, director of the international jewellery department at Christie's, told reporters.

BBC: 'Perfect' Archduke Joseph diamond sells for $21m

So in the way that Bob Diamond's track record at Barclays Capital made him a shoo-in to take the helm at Barclays, it has been assumed that Jain would succeed Ackermann.

BBC: How Deutsch do you have to be to run Deutsche Bank?

Despite the toll of the journey, Black Caviar didn't disappoint at Ascot, retaining her unbeaten record in the Diamond Jubilee Stakes -- just.

CNN: Flying high: From 'cattle-class' to 'horse-class'

De Beers Group reports that high prices and strong demand in India, China, the Middle East and, surprisingly, the U.S. has resulted in a record for rough diamond sales.

FORBES: De Beers Diamond Sales Up 33%

Ten years after the world-record-setting diamond heist in Antwerp, this week's diamond robbery is a sharp reminder that sophisticated criminal outfits are still out there and that even the most impressive security system could have unnoticed holes.

CNN: Diamond heists are forever

But a smaller and more unlikely musical revival can be traced to the reissue five years ago of a strange little record called "Just Another Diamond Day" by a woman named Vashti Bunyan.

NPR: British Folk Music, Revived

It recently paid record fines and its CEO, Bob Diamond, was fired in disgrace.

FORBES: About The Alleged LIBOR "Scandal", Back Away From The Cliff

Barclays chief executive Bob Diamond has resigned a week after the bank was fined a record amount for trying to manipulate inter-bank lending rates.

BBC: Democracy Live site links

At least one from Bolt, Gay or former world record-holder Asafa Powell will be scheduled to run at every Diamond League meeting.

BBC: to screen all Diamond League events