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Emerald

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

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Color

Highly saturated green color defines high quality emerald.

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Beveled corners

Emerald cuts have concentric parallel rows of facets and beveled corners.

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“jardin,” or garden.

Eye visible inclusions create an internal scene referred to as “jardin,” or garden.

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Six-sided

Emerald crystals are commonly six-sided.

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Flat-top

The tops of emerald crystals are typically rather flat.

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Color direction

The best color is usually perpendicular to the top of the crystal.

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Tools

Research

Two people walk past a Kay Jewelers storefront.
Article
Jewelry Sales Show Modest Rise; Higher End Soars

U.S. holiday jewelry sales increased slightly from 2018. Online buying surged, while foot traffic in retail stores slowed.

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A multi-diamond brooch.
Article
2019 in Review: Diamond Trade Begins Recovery, Jewelry Retail Blooms Late, Extraordinary Auction Sales

2019: A year of ups and downs in the gem and jewelry industry, including diamonds, retail, auction sales and laboratory-grown diamonds.

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Gemstones in the Era of the Taj Mahal and the Mughals

A look at the gem ornamentation of this landmark, as well as the jewels of the Mughal dynasty.

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Carved snuff bottle of emerald from Malipo, China
Unique Vanadium-Rich Emerald from Malipo, China

Spectroscopic and chemical analyses of emeralds from this Chinese deposit show a unique composition.

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A large group of people outside on GIA’s Carlsbad, California  campus.
Article
Guardians of Trust: GIA’s Innovative Research, Instruments and Services

GIA’s services and instruments have grown in importance and impact as new gem treatments and laboratory-grown gems enter the market.

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Emerald and diamond brooch.
Article
Jewels of Hollywood: Accessories and Jewelry that Made the Stars Shine

“Jewels of Hollywood,” on loan from the Kazanjian Foundation, showcases some of the jewelry and accessories associated with Hollywood royalty.

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A ruby and diamond choker. The center section is made of six strands of red pearls, framed by rubies and diamonds.
Article
Mughal Jewels Auction: Al-Thani Collection Raises $109 Million

Collectors from around the world descended on Christies’ Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on June 19.

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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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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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A pile of near-colorless HPHT synthetic melee
Article
Diamond Market Forecast: Declining Credit, Soft Prices and Lab-Grown Diamonds

Despite the generally strong year for jewelry retail, the diamond industry continues to face problems with credit, spotty demand and soft prices.

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