Star Diamond Group NV, the Antwerp-based diamond cutting and polishing manufacturing company has been certified by the Responsible Jewellery Council (RJC) in being compliant with the ethical, human rights, social and environmental standards as established by the RJC's Member Certification System. The verification assessment was conducted by Peter Warbrick from SGS, which is an independent third-party auditing firm accredited to the RJC's Member Certification System.

Star Diamond perceives this move as one that makes it a part of the united efforts of the diamond industry to maintain sustainable business development and consumer confidence.