Category: Diamonds

Russian diamond miner Alrosa has uncovered an internal smuggling scheme in which an employee allegedly swapped low-value diamonds for higher-quality stones and sold them to Armenian smugglers. According to a company statement released Monday, Alrosa’s internal security team, in collaboration with Russia’s Federal Security Service (FSB), caught a diamond sorter in the act of attempting to smuggle a batch of rough diamonds valued at RUB 1.9 million ($24,153). The intercepted batch weighed approximately 250 carats.

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Petra Diamonds reported a decline in rough diamond prices at its latest combined tender, reflecting a shift toward smaller, lower-quality goods and ongoing challenges at its Cullinan mine in South Africa. The miner generated $53 million from the sale of 613,747 carats during its combined fifth and sixth trading sessions, which took place partially in April and concluded in June, the company announced Monday. While like-for-like prices rose 3% across most product categories compared to

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Botswana’s Debswana Diamond Company is seeking funding from international capital markets to finance its ambitious $6 billion Jwaneng underground expansion, as falling revenues challenge its ability to support large-scale capital projects. Speaking at a mining conference in Gaborone on Monday, Managing Director Andrew Motsomi said the company is pushing forward with plans to extend the life of its flagship Jwaneng Mine to 2054 by transitioning from open-pit to underground operations—despite a global slump in diamond

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London-listed Petra Diamonds has sold 613,682 carats of diamonds for $53 million during its combined Tender 5 and 6 sales cycle, bringing total revenue for the financial year to $239 million from 2.39 million carats sold. Due to ongoing fluctuations in diamond prices and demand, Petra has moved away from fixed tender schedules. The company now reserves the option to delay parts of tenders or sell diamonds as run-of-mine. “Reporting tender results on a tender-by-tender

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Anhui Congo Mining Investment Company (SACIM) has emerged as the dominant producer of industrial diamonds in the Democratic Republic of Congo during the first quarter of 2025, accounting for 97% of the country’s total output. According to statistics released by the Technical Unit for Coordination and Mining Programming (CTCPM), a department under the Ministry of Mines, SACIM produced 334,505.81 carats out of a national total of 344,049.44 carats between January and March 2025. The remaining

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