Cartier owner Richemont and jeweller Signet in talks to join consortium to buy diamond giant De Beers
De Beers is most famous for coining the iconic 'A Diamond is Forever' advertising slogan in 1947 and building the world's dominant diamond cartel. Demand for its gems have slumped in recent years.

Expanded Context
Brimstone Report is tracking this as a curated culture & society brief. The source report from Daily Mail says: De Beers is most famous for coining the iconic 'A Diamond is Forever' advertising slogan in 1947 and building the world's dominant diamond cartel. Demand for its gems have slumped in recent years.
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Key Facts
- Primary source: Daily Mail
- Published: Oct 15, 2026, 3:52 PM UTC
- Coverage area: Culture & Society
- Brimstone role: curated summary, explanation, and source attribution
- Topic signals: developing story metadata
Timeline
- Source published: Oct 15, 2026, 3:52 PM UTC
- Brimstone indexed: Added to the curated Brimstone feed and linked to related coverage.
- Next update to watch: Additional sourcing, official confirmation, court or agency records, or follow-up reporting.
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