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Diamond Fun Facts

Learn more about one of the Earth’s most fascinating creations, including some that became the most famous.

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Glenn Nord (1928–2019)

A distinguished educator who taught GIA’s first overseas courses, he later served as Institute president and Governor for Life.

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Bicolored Quartz
The Anahí Ametrine Mine, Bolivia

The Anahí mine, Bolivia, has produced large amounts of amethyst, citrine, and amethyst-citrine for the gem market.

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GIA field expedition team in Ethiopia
Land of Origins: A Gemological Expedition to Ethiopia

Documents a visit to the sapphire, opal, and emerald mining and trading areas of Ethiopia.

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The entrance to the GemGenève show featured a large graphic wall.
Article
Trade Hopes for a Bright 2019 Vegas Show

All eyes are on the upcoming jewelry sales events in the U.S. – the Luxury and JCK shows in Las Vegas – as business slows in other parts of the world.

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Emeralds: Colombia’s Buried Treasure

Colombia is home to a rainbow of gems, but emeralds – and the tales of lore that surround them – are the country’s most well-known treasures.

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Leaf Motifs: Timeless Beauty for All Seasons of Jewelry

The humble leaf has captivated jewelry designers for centuries and they’ve transformed it enduring pieces of beautiful jewelry.

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A round, bright red gem displayed on a dark gray background.
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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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Two sections of the reconstructed Amber Room wall show the mirrored pilasters that separate the panels, the Florentine mosaics, and the intricate amber wreaths and clusters on and atop the cornice.
Article
The Amber Room: Born From Vanity, Re-Born From National Pride

The journey of a cultural landmark from Prussia to Russia. The first room is lost to history; the second is reconstructed by the Soviet Union.

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Details of two engravings representing the treasury of Aachen Cathedral.
The Talisman of Charlemagne: New Historical and Gemological Discoveries

Reveals new details about this historical jewel and the results of its first gemological analysis.

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