The Coloured Gemstones Working Group is committed to a transparent, responsible and vibrant jewellery industry.

Credit: TDI Sustainability

Credit: TDI Sustainability

Supply Chain Due Diligence Resources

Guidance Documents

Chilld Labour Guidance

Forced Labour Guidance

Health and Safety Guidance

Intro to Sustainability Guidance

Responsible Sourcing and Due Diligence Guidance

External Resources

OECD Due Diligence Guidance for Responsible Supply Chains of Minerals and Metals from Conflict-Affected and High-Risk Areas

European Partnership for Responsible Minerals

European Union Due Diligence Ready! platform