How the diamond industry lost its sparkle

The French Revolution was a bloody fight for liberty, equality and fraternity. But it was also a battle over money.In part 1 of our series on the French Revolution, host Robin Wigglesworth explores the revolution’s economic origins with Rebecca Spang, historian and author of Stuf ...  Show more

The first world war was one of the deadliest conflicts the world has ever seen. And when the US entered the war in 1917, it faced a massive financial challenge: how to pay for its contribution? Enter Treasury Secretary William McAdoo who launches the groundbreaking Liberty Loan P ...  Show more

A few years ago you could have assumed all diamonds had been dug out of the ground – but now it’s true that some of them have been created, at unbelievably high temperatures, in just a matter of weeks. In the first of two Business Daily programmes about the evolving diamond marke ...  Show more

Diamond output by the mining giant De Beers is down 23% this quarter. Demand is slowing as a bounce from the coronavirus pandemic wears off and synthetic diamonds eat into market share. Today on the show, we try to understand the market for diamonds. Also, we go short Charles ...

When is a diamond really a diamond? When it’s been formed miles underground a billion years ago, or when has it been created in a laboratory, under temperatures close to the heat of the sun? The answer is – both are true. They look and behave exactly the same, but they are very d ...  Show more

India's massive diamond industry is grappling with a prolonged crisis. Western sanctions on big miner Russia, inflation in the US and a downturn in China have hit the industry which cuts and polishes nine of ten diamonds in the world. Exports from the world's top diamond expor ...