AGTA

AGTA updates gemstone manual and ethics code

Diamonds and Jewellery

AGTA updates gemstone manual and ethics code

diamond world news service

26 Aug 2026

1 min read

AGTA & Colorado School Of Mines Join Hands To Examine Coloured Gemstone Supply Chains

AGTA & Colorado School Of Mines Join Hands To Examine Coloured Gemstone Supply Chains

diamond world news service

10 Feb 2023

1 min read

AGTA Committee to Standardize Industry Terms Surrounding Sustainability and Ethics

AGTA Committee to Standardize Industry Terms Surrounding Sustainability and Ethics

diamond world news service

20 Jan 2023

2 min read

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