The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International Colored Gemstone Association (ICA) are once again expressing concern about the presence in the marketplace of irradiated rubies and sapphires, particularly sourced in Sri Lanka.

The definition, which covers recycled materials recovered during manufacturing and fabrication processes before being sold to consumers, and also gold recovered from materials after they have been sold to consumers, was developed through extensive discussions among industry experts.