Andy Lucas, GIA’s education manager of field gemmology, researches and documents the mine to market journey of gemstones. Lucas shares the changes he observed in Colombia’s major emerald mining and cutting areas in a presentation he gave at the 2017 JCK Las Vegas show.
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Go onsite to Zambia’s emerald mines with GIA’s field gemmology team.
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See inside the world’s most productive ruby mining operation with GIA’s field gemmology team.
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Tour one of the world’s most active sapphire mining areas - the island of Madagascar - with GIA’s field gemmologist Vincent Pardieu.
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Visit gem mining areas in Madagascar, Kenya, Tanzania, Zambia and Mozambique with GIA’s field gemmologists.
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Australia is the most famous source of opals in the world. The black opals from Lightning Ridge are the most valuable opals ever produced. Journey with us on this expedition to the Australian outback to see how these rugged individuals mine opals and why they chase the rainbow of colour.
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A first-person account of diamond mining in Minas Gerais, Brazil, which has been a source since the early 1700s.
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Learn about Mozambican rubies, including their mining history, characteristics and market demand.
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Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.
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US consumer confidence has kept the economy from sliding into a possible recession. Plus: Sustainable trends for diamonds and gold.
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