55. Diamonds in Transition: Markets, Mining and the Future

The diamond industry has a rich and complex history, influenced by discoveries, geoscience and marketing.  Join host Halley Keevil as she explores the industry’s history from the onset of modern diamond mining in Kimberley, South Africa in the 1800s, to the advent of laboratory grown diamonds and new platforms for marketing.  Featured guest Eira Thomas is complemented by Natasha Oviatt and Reid Mackie, who all have deep knowledge and understanding of the diamond industry. Natasha Oviatt provides her perspective as a previous glacial geology specialist with De Beers Canada, discussing recent changes in the diamond mining industry, consumer preferences and marketing strategies through time, ESG issues, past and present economic downturns, and her opinions on lab-grown diamonds and the future of the natural diamond industry. Next, Reid Mackie, VP Diamond Marketing of Mountain Province Diamonds, discusses the diamond industry from a marketing perspective. He gives his opinions on the biggest trends in the history of the diamond industry and what he thinks are the biggest trends shaping its future. He also discusses market strategies for younger generations and how lab-grown diamonds are affecting the industry, as well as the shifts we are starting to see in the natural diamond mining industry.  Lastly, renowned Canadian geologist Eira Thomas, widely known as the ‘Queen of Diamonds’, and previous CEO of Lucara Diamond, gives her opinions on the past, present, and future of the diamond industry. She discusses the reasons the industry is struggling at present and how lack of alignment in the supply chain drives volatility. She talks about the advent of lab-grown diamonds, the intrinsic value of natural diamonds, and the public perception of the industry. She also discusses how advances in technology, including her new rough diamond digital marketplace, Clara, are revolutionizing the diamond mining industry. Theme music is Confluence by Eastwindseastwindsmusic.com Come join us in Salt Lake City, Utah for SEG 2026, September 30th to October 3rd. You can expect world-class technical content, including iconic ore deposits and the geological processes of North American Cordillera. The program balances applied case studies, framework geology, and technological innovation. The conference offers a unique opportunity to connect, learn, and help shape the future of economic geology. See you there.