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A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are surefire accessories for sultry summer days.

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A heart-shaped piece of pink drusy hangs from a gold chain.
Article
Dreamy Drusy: Minute Crystals Shimmer in Dramatic Designs

Drusy jewelry has surged in popularity in recent years. Celebrities wear it on the red carpet and designers clamor for it at gem shows.

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A young boy looks through a microscope.
Article
St. Jude Kids Tour Inside Gems’ Magical World

Young patients at St. Jude Children’s Research Hospital recently explored the inner world of gems and minerals with a visiting team from GIA.

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A man and woman shake hands during a career fair event. In the background is a GIA poster.
Article
Adapting to Changing Workplaces

GIA Career Service advisors offer tips on how to navigate the changing workforce and consumer attitudes for success in the gem and jewelry industry.

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Star rhodochrosite from the Sweet Home mine, Colorado
Colored Stones and Pearls

Abstracts of speaker presentations from the “Colored Stones and Pearls” session of GIA’s 2018 International Gemological Symposium.

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Gem miner with Burmese gems from Mogok
General Gemology and Jewelry

Abstracts of speaker presentations from the “General Gemology and Jewelry” session of GIA’s 2018 International Gemological Symposium.

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Fancy-color diamonds from Lomonosov, Russia.
Geology and Development of the Lomonosov Deposit, Northwestern Russia

Reviews diamond discoveries at the Lomonosov deposit, as well as the geology of the Arkhangelsk kimberlite province.

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Article
The Magic of Colored Diamonds

Colored diamonds are in the spotlight. They’re routinely breaking records at auction houses. Learn more about these gemological marvels of the rarest order.

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Article
The Unexpected Origins of Big Diamonds

Dr. Evan Smith, Ph.D., GIA research scientist, has dedicated his work to methodically characterizing the inclusions found in rare diamonds. In this video presentation recorded at the 2017 JCK Las Vegas show, Smith shares his findings on the unexpected ori

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Article
GIA Team Documents Oregon’s Sunstone Mines

In July 2013, GIA’s Shane McClure, Duncan Pay and Robert Weldon traveled with videographer Kevin Schumacher to the remote southeast corner of the U.S. state of Oregon to visit three of the region’s sunstone mines.

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