【Zhengzhou, C】Chinese Diamond Factories Are Reshaping the Gemstone Market

Editor’s Note

This article explores how Chinese manufacturers are disrupting the traditional diamond industry by scaling the production of lab-grown gems, challenging long-held notions of value and rarity.

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Chinese Diamond Factories Are Reshaping the Gemstone Market
In diesen gigantischen Pressen in Zhengzhou wachsen Diamanten heran

In few industries are horror and glamour as closely intertwined as in the diamond trade. Now, Chinese factories are putting an end to the old business model.

Lab-Grown Diamonds

In these giant presses in Zhengzhou, diamonds are grown.
© Andrea Verdelli/FT

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⏰ Published on: September 28, 2025