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Colombian independent miners
Colombian Emerald Industry: Winds of Change

A firsthand look at Colombia’s emerald mines and the cutting and trading industry in Bogotá.

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A sorter works at a table lined with sorted piles of diamond rough.
Article
Diamond Producers Aim for Lower Qualities in Today’s Market

The average value of rough diamonds mined last year took a sharp drop, while demand has trended toward smaller stones and lower qualities.

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Miners, working in a row along a body of water, use hand sieves to sift gravel.
Article
International Group Sets Sights on Sustainable Gemstone Mining

Organization for Economic Cooperation and Development reviews issues on sustainable mining practices and increasing returns for artisanal miners.

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Four people seated in front of screen. One woman standing the far right.
Article
RJC Panel Explores Colored Gemstone Issues at Baselworld 2017

The Responsible Jewellery Council holds a discussion on the challenges, issues of certifying colored gem firms at the 2017 Baselworld fair.

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Brazilian Diamonds: A Historical and Recent Perspective

Recounts the history, geology, and notable localities of diamond mining in Brazil, and outlines plans for future diamond production.

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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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Article
Is Another 1,000 (or 3,000) Carat Diamond Around the Corner?

Find out why the number of very large diamonds entering the market has increased sharply in the last few years.

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Large rough diamonds sit on a mirror.
Article
Russia’s Lomonosov Diamond Project Shows its Fancy Colors

Lomonosov yields fancy colors – purplish pink, violet, green, yellow and brown – and a high percentage of gem-quality colorless (D-to-Z) diamonds.

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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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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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