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Mining Diamonds in the Canadian Arctic: The Diavik Mine

Located near the Arctic Circle, Diavik is one of the world’s richest diamond deposits and a leader in sustainable mining.

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Exploring Zambia’s Emerald Mines
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GIA Field Gemmologists Visit Zambia’s Emerald Mines

Go onsite to Zambia’s emerald mines with GIA’s field gemmology team.

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Discover Mozambique’s Montepuez Ruby Mine
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Discover Mozambique’s Montepuez Ruby Mine with GIA’s Field Gemmologists

See inside the world’s most productive ruby mining operation with GIA’s field gemmology team.

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Exploring Madagascar’s Sapphire Mines
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GIA Field Gemmology Team Explores Sapphire Mines at Ilakaka, Madagascar

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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On the Trail of Africa’s Hidden Gems with GIA’s Field Gemmologists

Visit gem mining areas in Madagascar, Kenya, Tanzania, Zambia and Mozambique with GIA’s field gemmologists.

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Australian opal miner
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Chasing the Rainbow: Australian Opal Fields Expedition

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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Field Report: Diamond Mining in Minas Gerais, Brazil

A first-person account of diamond mining in Minas Gerais, Brazil, which has been a source since the early 1700s.

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Miners use shovels and sluicing equipment to search for diamonds near the Vaal River in South Africa.
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Historical Reading: The Diamond Fields of South Africa: Part 2 (1893-2014)

Within a few years of their discovery, the diamonds deposits of South Africa produced more diamonds than had come from India in two millennia.

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An early black and white photo that shows deep trenches dug into the ground in the search for diamonds. Ladders and ropes help the miners excavate and traverse the mine.
Article
Historical Reading: The Diamond Fields of South Africa: Part 1 (1868-1893)

The discovery of diamonds in South Africa in early 1867 marked the start of an historic period of diamond exploration.

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Article
Historical Reading: The California Gold Rush

The California gold rush − the largest gold rush in the history of the world − changed the social, economic, political and cultural history of the American West.

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