InternationalTrade Organisations
GIA notifies trade of potential undisclosed diamond treatment
![](https://www.jewelleryfocus.co.uk/wp-content/uploads/2015/01/diamond-123338_1280-e1420714292406-780x470.jpg)
Approximately 500 colourless to near-colorless diamonds submitted primarily to GIAโs grading laboratory in Ramat Gan, Israel, were potentially subjected to an undisclosed temporary treatment, the body has announced.
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