- Launched the third revision of the COP standard. Scope of materials expanded to include coloured gemstones and silver. Additionally, the COP now aligns with OECD Due Diligence Guidance and the UN Guiding principles on Business and Human Rights, and includes requirements on the detection of lab-grown diamonds
- Entered a partnership with the United Nations Global Compact on the 17 Sustainable Development Goals (SDGs)
- The Plumb Club becomes first trade association to require its members to join the RJC
