Grunberger Diamonds BVBA • Responsible Jewellery Council

Date Re-joined: December 2024

To Achieve RJC Certification By: June 2025

Head Office Location: Antwerp, Belgium

Membership Forum: Diamonds and coloured gemstones trader, cutter and/or polisher

RJC is the global membership and standards body for responsible jewellery throughout the entire supply chain – from mine to retail. Our ‘Code of Practice’ references key development frameworks, including the Universal Declaration of Human Rights, ILO Principles and UN Global Compact and Sustainable Development Goals (SDGs).