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Gem cutters in Jaipur wear masks provided by AGTA.
Gemstones and Sustainable Development Knowledge Hub

Projects developed by the GemHub to benefit miners, cutters, and others involved in the gem and jewelry industry.

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Mining site at Zahamena National Park, Madagascar
The Color of Responsibility: Ethical Issues and Solutions in Colored Gemstones

Examines the challenges of ethical sourcing and production of colored stones, and what some industry leaders are doing to address the situation.

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The Initial Examination
Article
The Belmont Mine and an Emerald’s Journey from Mine to Market

Follow a significant emerald from the Belmont emerald mine in Brazil to a retailer in Bangkok and learn the story of one of the world’s most modern colored gemstone mines, while seeing how a gemstone moves from mine-to-market.

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Article
Melee: Building Blocks of Contemporary Design

Learn about the versatility of melee in jewelry design and how to design and engineer long-lasting jewelry using GIA Quality Assurance Benchmarks.

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GIA Team
Article
Mozambique: A Ruby Discovery for the 21st Century

Join GIA on location at the Montepuez ruby mine in Mozambique, the most important ruby discovery of this new century.

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A jadeite necklace of graduated beads.
Article
Jade Report: Increased Mining Creates Large Stockpiles

Myanmar’s jade stocks are piling up in gem warehouses near the border and in dealer safes. Mining has far exceeded the market’s ability to absorb it.

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Jaipur, India: The Global Gem and Jewelry Power of the Pink City

Examines Jaipur’s role as a colored stone cutting and jewelry manufacturing center, with profiles of 17 companies and their factory, trading, and retail operations.

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A close-up image of a pile of rough diamonds.
Article
Ups and Downs of 2016 Make for an Uncertain 2017

The diamond industry was slow to recover in 2016 and colored gems got a welcome shot in the arm. Mixed signals leave no clear indicators for 2017.

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Diamonds in Canada

This article chronicles the discovery of primary diamond deposits throughout Canada, whose increasing supply of rough stones will have a growing impact on the world diamond industry.

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Baltic Amber map
Article
Historical Reading: Baltic Amber

Amber has been found in various parts of the world, but the main historical source is the land that surrounds the Baltic Sea.

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