Manufacturers

Céline Assimon steps down as De Beers CEO

De Beers CEO Céline Assimon has stepped down from her role after nearly five years. Assimon joined De Beers in…

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Richard Duffy steps down as Petra Diamonds CEO

Petra Diamonds has announced that Richard Duffy has resigned as CEO and director of the company by mutual agreement and…

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January diamond prices drop in slow market

The diamond market was slow in January, with mixed reports about holiday sales, according to Rapaport’s RapNet Diamond Index. Diamond…

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De Beers lowers production guidance amid challenging trading conditions

De Beers Group has lowered its production guidance for 2025 to 20–23 million carats (previously 30-33 million carats), reflecting the…

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De Beers and Botswana secure rough diamond sales agreement

The Government of the Republic of Botswana (GRB) and De Beers Group have agreed a deal establishing a new sales…

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HS Walsh and Sons awarded Royal Warrant

HS Walsh and Sons, a supplier of horological tools and equipment, has been awarded a Royal Warrant. The business was…

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Petra Diamonds revenues drop 7% despite 17% rise in volumes

Petra Diamonds has reported a 7% drop in tender three FY 2025 sales to $71m (£56.6m) despite selling 700,803 carats,…

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Peggy Grosz leaves Assael

Peggy Grosz, senior vice president and creative director of Assael Inc, has left the company following its recent sale to…

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AG Group announces in-house assay office

Allied Gold and Brown and Newirth owner AG Group has announced that it has opened an in-house assay office at…

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De Beers production drops 25% in Q3

De Beers Group has recorded a 25% decrease in production to 5.6 million carats in the third quarter. The company…

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