Trade Organisations
WFDB calls for further debate on issue of over-grading
![](https://www.jewelleryfocus.co.uk/wp-content/uploads/2014/11/19-e1415184859714-780x470.jpg)
The president of the World Federation of Diamond Bourses (WFDB), Ernie Blom has expressed his support for the industry-wide debate on the issue of overgrading.ย
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