The world’s top governing bodies has disclosed the global method of colored gemstone treatment disclosure. The International Colored Gemstone Association (ICA), the World Jewellery Confederation (CIBJO) and the American Gem Trade Association (AGTA) have agreed the global system of coding at the last month meeting in Tucson, Arizona, USA.

AGTA and ICA have used two different disclosure codes and the resolution in Tucson gives the industry its first worldwide set of guidelines. All three institutions have decided to implement the AGTA’s disclosure codes for colored gemstones.

The AGTA code states that “It is practical and appropriate to disclose the gemstone treatment rather than keeping silent when there is a possibility of treating the gemstone”. Also, it offers specific advice to retailers that “When disclosing to retail consumers, all required disclosure should be made in plain language. The codes or abbreviations are not enough”.

Any traditional process rather than cutting and polishing used to improve the (color, clarity, phenomena) appearance, durability or availability of a gemstone. The colored gemstone treatment code will not be listed in CIBJO gemstone blue book.

For more information Visit AGTA website – http://www.agta.org/gemstones/agta-gim/index.html

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