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Botswana’s government puts diamond trader deal on back burner

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Botswana’s new government is reportedly cooling on plans to acquire a stake in the Belgian polisher HB Antwerp. In March 2023 former President Mokgweetsi Masisi announced plans to buy a 24 per cent stake in a move that would, he said, herald “the dawn of a new era for the diamond industry in Botswana”.

In August 2024 the government was reported to be renegotiating its proposed investment, seeking to more than double its share to 49.9 per cent for the same $66m payment.But Masisi was ousted in a shock general election in October 2024 and comments made last week by minerals and energy minister Bogolo Kenewendo   suggest the deal is not a top priority.

The plan for Botswana to purchase a 24% interest in HB Antwerp – first announced by former President Mokgweetsi Masisi in March 2023 – was seen as a model to challenge the southern African country’s decades-long partnership with De Beers. If executed, the deal would see state trader Okavango Diamond Co. receive polished rather than rough prices for stones for a portion of its sales.

By August 2024, due to a downturn in the diamond market, the government sought to renegotiate the deal, aiming to increase its stake to 49.9% without additional investment. However, following the unexpected electoral defeat of Masisi’s administration in October 2024, the new government under President Duma Boko has shown less enthusiasm for the investment. Minerals and Energy Minister Bogolo Kenewendo indicated that the previous administration had not finalized the agreement, stating, “There was never anything signed on the dotted line, and so we have nothing really to progress.

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CVD Synthetic Fashioned To Imitate A Rough Natural Diamond

The Near-Colorless Stone Is Believed To Be The First Time Creators Of A Synthetic Chemical Vapor Deposition (CVD) Diamond Have Shaped It To Resemble A Rough Diamond

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The 6.87-carat near-colorless CVD diamond was shaped to resemble a natural rough octahedral crystal but showed distinct synthetic features under microscopic and spectroscopic analysis.GIA’s tests confirmed the stone’s synthetic origin, noting polishing marks, facet junction roughness, and luminescence patterns inconsistent with natural diamonds.

No evidence currently suggests widespread substitution of synthetics for rough natural diamonds, but existing detection tools could be adapted if such cases increase.

The near-colorless stone is believed to be the first time creators of a synthetic chemical vapor deposition (CVD) diamond have shaped it to resemble a rough diamond, according to an article in the spring issue of the institute’s Gems & Gemology quarterly journal.

Upon investigation with the use of raman spectroscopy, the results confirmed that the material was a diamond, with its near-octahedral shape similar to that of a natural rough crystal. Further analysis showed that it was not a true octahedron, as only one set of opposing faces was parallel. Microscopic observation under differential interference contrast revealed extremely flat faces marked mainly by parallel polishing lines, unlike the growth steps and trigons typically seen on natural octahedral faces. The facet junctions were extremely rough, possibly due to measures taken to improve the color, after which the main faces appear to have been repolished, the institute explained.

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JewelBuzz is Asia’s First Digital Jewellery Media & India’s No.1 B2B Jewellery Magazine, published by AM Media House. Since 2016, we’ve been the trusted source for jewellery news, market trends, trade insights, exhibitions, podcasts, and brand stories, connecting jewellers, retailers, and industry professionals worldwide.

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