De Beers, the world’s largest rough diamond seller by value, marked the end of a very difficult year with total diamond sales falling by $1.35bn to its lowest level since the global financial crisis.

Anglo American’s 85% held subsidiary issued the sales value of its tenth and final sale of 2019 on Wednesday showing the worst year since 2009 when the full impact of the global financial crisis triggered in the fourth quarter of the previous year was fully realised...

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