News & Articles

Recent Articles

Do Well By Doing Good: Best Business Practices As a Profit Motive

Russell Shor, October 17, 2016

Andy Bone, director of the Responsible Jewellery Council, describes three bottom-line issues for the gem and jewelry industry.

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A large ruby crystal in calcite with three faceted rubies in front.

Economists See Bright Holiday Season

Russell Shor, October 17, 2016 Topics: Localities

National Retail Federation predicts a strong increase in holiday sales; U.S. ban on Myanmar ruby, jade lifted; diamond market report.

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Group photo of presenters

GSA 2016 Annual Meeting

Tao Hsu, Jim Shigley and Dona Dirlam, October 13, 2016

Scientists and gem experts shared the latest research and studies on gemstones at the Geological Society of America annual meeting in Denver.

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10.08 ct HPHT synthetic diamond with color equivalent to Fancy Deep blue

Blue HPHT Synthetic Diamond Over 10 Carats

Terry “Ping Yu” Poon and Wuyi Wang, October 12, 2016 Topics: Carat Weight, Identification, Synthesis Process, Techniques

GIA recently tested a 10.08 ct blue synthetic diamond grown by the high-temperature, high-pressure (HPHT) method.

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 Large open mussel shell with pink interior

Freshwater Pearling in Tennessee

Tao Hsu, Chunhui Zhou, Artitaya Homkrajae, Joyce Wing Yan Ho, Emiko Yazawa, and Pedro Padua, October 7, 2016 Topics: Color, Education, Folklore, Geology, History, Localities, Trade, Travel

Natural pearl identification is one of the critical problems in pearl research. The DNA study of pearly mollusks and oysters facilitates solving this problem. To fulfill this goal, GIA sent a group from both research and education to Tennessee to sample the freshwater mollusks for DNA bar coding. Come with us to Camden, Tennessee, to see how we dive for pearly shells.

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Precious Cufflinks Book Cover

Book Review: Precious Cufflinks: From Pablo Picasso to James Bond

Larry S. Larson, October 7, 2016

Review of Precious Cufflinks: From Pablo Picasso to James Bond–Accessories and Jewellery for Gentlemen Over the Course of Time, by Walter Grasser, Franz Hemmerle, and Duke Alexander von Württemberg.

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Tips From the Bench
How to Modify a Goldsmith Hammer

Compiled by GIA’s Jewelry Manufacturing Arts Instructors

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The First Point of Reference for Gems and Jewelry

Located on GIA's Carlsbad campus, The Richard T. Liddicoat Gemological Library and Information Center is the largest, most complete library of its kind.

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