He was not the only one. Other diamond firms in Antwerp, the world's biggest centre of trade in rough diamonds and cutting of the biggest gems, were asked to avoid Russian stones.

Antwerp World Diamond Centre (AWDC) Chief Executive Ari Epstein resigned unexpectedly on Thursday, the AWDC's board of directors said in a statement. Skip to main content.

"It's very clear that the diamond industry, on a global level, has been facing a perfect storm of challenges," Karen Rentmeesters, chief executive of the Antwerp World Diamond Centre told CNBC ...

"It's very clear that the diamond industry, on a global level, has been facing a perfect storm of challenges," Karen Rentmeesters, chief executive of the Antwerp World Diamond Centre told CNBC ...

Only a few weeks after Russia invaded Ukraine in February 2022, Antwerp-based diamond dealer Thierry Tugendhaft started receiving calls from big jewellers in Paris asking him to stop supplying ...

"It's very clear that the diamond industry, on a global level, has been facing a perfect storm of challenges," Karen Rentmeesters, chief executive of the Antwerp World Diamond Centre told CNBC ...

"It's very clear that the diamond industry, on a global level, has been facing a perfect storm of challenges," Karen Rentmeesters, chief executive of the Antwerp World Diamond Centre told CNBC ...