The natural diamond industry is facing an existential threat: lab-grown diamonds. They’re chemically and physically identical to natural stones, and they're just a fraction of the price. Eleanor Olcott, the FT’s China technology correspondent, travelled to the epicentre of lab-grown diamond production in the central Chinese province of Henan to see how they’re made. While the FT’s natural resources editor, Leslie Hook, explores what the sale of leading natural diamond producer, De Beers, could mean for the future of the sector.

Clip from Arnold Worldwide

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For further reading:

How the diamond industry lost its sparkle

The sparkle is fading in Africa’s diamond heartland

Taylor Swift hands diamonds a moment to shine

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Follow Leslie Hook on X (@lesliehook) and Eleanor Olcott on X (@EleanorOlcott). Michela Tindera is on X (@mtindera07) and Bluesky (@mtindera.ft.com), or follow her on LinkedIn for updates about the show and more.

Read a transcript of this episode on FT.com

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How the diamond industry lost its sparkle

Behind the Money