The Kimberley Process is an international certification scheme that aims to prevent the trade in conflict diamonds. It requires participating countries to implement strict controls on the export and import of rough diamonds and to issue certificates verifying that the stones are conflict‑free. This matters because it reduces the chance that the diamond industry funds armed conflicts and provides assurance to consumers that their diamonds come from ethical sources.
**How does the Kimberley Process work?**
- **Government controls:** Each participating country must implement domestic legislation and systems to regulate the export and import of rough diamonds.
- **Certified shipments:** Every shipment of rough diamonds crossing borders must be sealed and accompanied by a Kimberley Process certificate guaranteeing that it is conflict‑free.
- **International cooperation:** Only countries that meet the Kimberley Process requirements can trade rough diamonds with each other, covering more than 99 % of the world’s rough diamond supply.
Why does it matter to consumers?
- Ethical sourcing: By ensuring that rough diamonds are not used to fund violence, the Kimberley Process helps consumers avoid inadvertently supporting armed conflicts.
- Transparency: The certification system offers buyers greater confidence that their diamonds come from regulated sources.
- Industry accountability: The scheme demonstrates cooperation between governments, industry and civil‑society groups to improve supply‑chain accountability and reduce human rights abuses.
Limitations and criticisms
- Scope: The Kimberley Process applies only to rough diamonds; once diamonds are cut and polished, they are no longer covered by the scheme.
- Enforcement: Oversight and enforcement vary by country; some have been criticised for lax controls or corruption, which can allow conflict diamonds to slip through.
- Broader issues: The process focuses on conflict financing and does not address other ethical concerns such as labour abuses or environmental impacts associated with diamond mining.
Who ensures compliance?
- National authorities: Participating governments are responsible for enforcing Kimberley Process requirements within their borders.
- Monitoring: Civil‑society organisations and independent observers monitor the process and report on weaknesses or violations.
- Collaboration: Continued cooperation between governments, NGOs and industry is required to strengthen enforcement and address the scheme’s shortcomings.
FAQs
- Do all diamonds require a Kimberley Process certificate? Only rough diamonds crossing international borders require certification; cut and polished stones are not covered by the scheme but may have separate chain‑of‑custody documentation.
- Are lab‑grown diamonds part of the Kimberley Process? No. Lab‑grown diamonds are created in controlled environments and are not mined, so they do not fall under the rough‑diamond trade that the Kimberley Process monitors.
- Does the Kimberley Process guarantee a diamond is ethically sourced? It reduces the risk of funding conflict but does not guarantee adherence to other ethical standards such as fair labour practices or environmental protections.
Last updated: March 2026