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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?

To get in touch with the team, send us an email to businessdaily@bbc.co.uk

Producer/presenter: Ed Butler
Sound engineer: Toby James

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.

Each episode is a 17-minute, daily deep dive into a single topic, featuring expert analysis and the people at the heart of the story.

Recent episodes explore the weight-loss drug revolution, the growth in AI, the cost of living, the economic impact of the war in the Middle East, and why bond markets are so powerful.

We also feature in-depth interviews with company founders and some of the world's most prominent CEOs. These include Google's Sundar Pichai, Wikipedia founder Jimmy Wales, and the CEO of Canva, Melanie Perkins.

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