Learn about Mozambican rubies, including their mining history, characteristics and market demand.
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Despite the generally strong year for jewellery retail, the diamond industry continues to face problems with credit, patchy demand and soft prices.
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The US holiday season saw strong sales, but China continues to struggle. Plus: diamond market report and lab-grown diamond sales.
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The US holiday shopping season is looking positive, despite signs that an economic slowdown may be coming in 2019. Plus, more auction sales records.
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Graff reveals the first polished diamonds produced from the Lesedi La Rona, one of the largest pieces of rough ever mined. Plus, other market news.
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Recounts an expedition to Mozambique’s important deposits of ruby, spinel and tourmaline, which have yet to be fully explored.
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The diamond industry was slow to recover in 2016 and coloured gems got a welcome shot in the arm. Mixed signals leave no clear indicators for 2017.
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Join GIA’s field gemmologists as they visit two of Mogok’s most important mines: the Dattaw ruby mine and Baw Mar sapphire mine.
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Karyna Sena, a third-generation gem and jewellery professional, infuses the rich tapestry of Brazil – and her joie de vivre – in each of her designs.
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Accompany GIA field gemmologists on a true gemstone mining adventure in Pailin, Cambodia. The area’s miners must combat heat, humidity and deadly strains of malaria as they search the jungle for ruby and sapphire.
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