15 Minute Video: How China Crashed Diamond Prices by 95% (And It's Not Coming Back)

How China Crashed Diamond Prices by 95% (And It's Not Coming Back)

by Raw Carat

For 100 years, one company controlled the diamond supply on earth. Then factories in a Chinese province most Americans have never heard of changed everything.

This video traces how Chinese industrial diamond factories dismantled a century-old monopoly, crashed wholesale prices by 95%, and destabilized the economies of entire nations

Min 1:26- By 2019, China was producing 15.4 billion carats of synthetic diamond a year. The overwhelming majority of that output was industrial-grade.

Covered in this video: China’s Cold War era synthetic diamond program, CVD vs HPHT reactor technology, the Henan province supply chain, De Beers financial collapse, Botswana’s economic crisis, the American engagement ring market shift, lab grown resale values, and what this means for anyone buying or holding a diamond in 2026.

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Data and sources referenced:

  • De Beers / Anglo American annual reports and SEC filings (EBITDA, writedowns, production data)
  • Analyst Paul Zimnisky (wholesale pricing data, market analysis)
  • Analyst Edahn Golan (lab grown pricing trends)
  • Natural Diamond Council market reports
  • Gemdax / Anish Aggarwal industry analysis
  • FTC compliance letters on lab grown marketing terminology

Raw Carat breaks down jewelry and gemstones with real data, not marketing. New video every other day.


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