We’re in Sierra Leone where the gems have helped to fuel war and, many would say, decades of corruption. The closure of the country’s biggest diamond mine has added to the economic uncertainty as well as the fear of further conflict. In the first of two programmes, we look at the clouds hanging over West Africa’s diamond industry. To get in touch with the team, send us an email to businessdaily@bbc.co.uk Presented and produced by 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. 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. (Picture: A man washing diamonds in a mine in Kono, Sierra Leone. Credit: Getty Images)