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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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Shor
Auction Houses: A Powerful Market Influence on Major Diamonds and Colored Gemstones

A report on how high-profile jewelry auctions have affected the gem and jewelry market.

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Crowds mingle on the Baselworld 2018 show floor.
Article
Smaller 2018 Basel Fair is Still Biggest Rare Gem Showcase

Business at the scaled-down Baselworld 2018 Show was spotty. Some jewelry brands and gem dealers had respectable sales, but others found slow trading.

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Four people pose with a cardboard representation of Richard T. Liddicoat.
Article
2018 Tucson Events Encourage Alumni to Connect with GIA – and Each Other

Alumni celebrate Richard T. Liddicoat in Tucson. Winner of Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design announced.

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Article
2017 Auction Roundup: Pink and Blue Fancy Colored Diamonds Still Rule

Buyers may have been discerning, but more than $1.1 billion worth of extreme top-end diamonds, colored gems and jewelry were sold at auction in 2017.

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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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Article
10 Tips for Buying a Diamond Online

Looking to buy a diamond online? We have 10 tips to help you click the “Buy Now” button with confidence.

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The Argyle Pink Diamonds in a row: oval shaped Fancy Deep pink, cushion cut Fancy purple pink, cushion cut Fancy Red, radiant shaped Fancy red and radiant shaped Fancy Deep gray violet.
Article
Hong Kong 2017: Demand Up, But Spotty

A market report from the September Hong Kong show, including the Argyle tender, synthetic diamonds and colored gemstones.

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The 59.60 ct mixed-cut oval CTF Pink star diamond is displayed on a woman’s hands.  It is wider than her ring finger.
Article
Spring 2017 Auction Updates: The Most Expensive Gem Ever and Other Records

The spring 2017 auction season saw two important price records fall and solid, if not rising, prices for top gems across the board.

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A 24.18 ct. cut-cornered, rectangular, mixed cut Fancy Intense blue diamond flanked with tapered baguette-cut diamonds.
Article
A Vivid Spring 2016 Auction Season: Sales Totals Near $800 Million

The spring 2016 auction season was one for the record books, achieving nearly $800 million in sales between March and July and featuring the costliest gemstone ever to be sold at a public sale.

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