(IDEX Online) - The CEOs of De Beers and Signet Jewelers met this week in Botswana to discuss future collaboration opportunities.Al Cook and Gina Drosos met their teams at Jwaneng, the world's most valuable diamond mine, and at Signet's dedicated diamond polishing factory, which employs over 200 people.They are working together to identify opportunities to promote the positive economic impact of natural diamonds in Botswana, where they represent over a quarter of GDP.Drosos, who heads the world's largest diamond retailer with over 2,800 stores, said: "We want to help our customers understand more about the story of where their diamond comes from and the positive difference it makes to people's lives."Cook said: "As we deepen our commitment to supplying diamonds from Botswana, we are also strengthening our relationship with Signet in the United States and beyond."Pic shows Al Cook and Gina Drosos in Botswana