B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

66%

66% -- market share for De Beers (2026)

Name: Market Share Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-29

2026 · American RadioWorks

De Beers controls 66 percent of the world diamond supply.

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Attribution: American RadioWorks View source

Lighthouse Research Team

Last verified: 2026-09-29 · How we verify data →

Source verified Evidence graded

Value

66%

Unit

Percentage

Data Vintage

2026

Entity

De Beers

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (2)

American RadioWorks Primary Tier B

http://americanradioworks.publicradio.org/features/diamonds/ny2.html ↗

Confidence: 55/100 Vintage: 2026 Channel: Common Crawl

Source Article

American RadioWorks: With This Ring

Also cited by

American RadioWorks (American Public Media) http://americanradioworks.publicradio.org/features/diamonds/nyprint.html

2026-09-29

Original Research

American RadioWorks · Original study ↗

Methodology

Journalistic report citing industry figures; previously De Beers controlled 80 percent of the diamond supply.

Methodology documented

Trend Over Time

Period	Value	Change
2021	30%
2026 (current)	66%	+120.0%
2026 (current)	80%	+21.2%

Segmentation

Industrymarketing

Cite this stat

Plain Text

De Beers: 66% market share. Source: American RadioWorks (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/de-beers-diamond-supply-share-66

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<blockquote cite="https://lighthousedata.io/data/de-beers-diamond-supply-share-66" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>66%</strong> -- market share for De Beers<br><small>Source: American RadioWorks (2026) · <a href="https://lighthousedata.io/data/de-beers-diamond-supply-share-66" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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