The mines, source of half of the group's supply of rough diamonds and nearly a quarter of the world's by value, sold no diamonds in November and “very little” in the subsequent two months, Sheila Khama, chief executive of De Beers' Botswana business, said.
“Debswana [De Beers' mining joint venture with Botswana] hasn't produced all year this year,” Ms Khama told the Financial Times. “Why produce what you can't sell?”
The production suspension comes as the credit rating of Botswana is put under pressure from declining diamond revenue.
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