Diamonds in places like Sierra Leone have long had a tarnished association with war and corruption – blood diamonds, as they’re known. There’s now also the economic threat of synthetic, lab-grown diamonds. Can traditional mining compete? And are natural diamonds really so much worse for us, for the planet, than their new rivals, grown in a lab?

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Producer/presenter: Ed Butler

Business Daily is the home of in-depth audio journalism devoted to the world of money and work. From small startup stories to big corporate takeovers, global economic shifts to trends in technology, we look at the key figures, ideas and events shaping business.

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(Photo: A diamond specialist inspects an uncut rock. Credit: Getty Images)