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Oct. 04, 2017
AGTA ePrism

Make your 2018 AGTA GemFair™ Tucson Plans Today
At the AGTA GemFair™ Tucson, in the safe, secure comfort of the Tucson Convention Center, is the world's leading colored gemstone and cultured pearl tradeshow; truly a not-to-be-missed event! MORE

Centuries of Opulence: Jewels of India Exhibit
GIA - AGTA Member
A singular exhibit of intricately designed 17th to 20th-century jewelry and ornate objects from India debuts on Oct. 13 at GIA's (Gemological Institute of America) world headquarters in Carlsbad, California. MORE

One of October's Birthstones: Tourmaline
Add More Color To Your Life
Tourmaline's name comes from the Sinhalese tura mali , which means "mixed stone." Available in a rainbow of colors and color combinations, tourmaline lives up to its name. MORE

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PA Jeweler To Be Featured in 'Amazing' Netflix Series
National Jeweler
See AGTA Member, Calhoun Jewelers featured in this article! She's been featured on two different HGTV shows, the Travel Channel and CNN Money. MORE

Opal Season
See AGTA Members, Oscar Heyman, ZDNY & Co., Lika Behar, Melissa Spalten, Omi Gems, and Pamela Froman featured in this article! There are a lot of favorites in October for me: favorite month, favorite season, favorite holiday, and (for the jewelry enthusiasts) favorite birthstone. MORE

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Modern to Antique: The Gemstones for all seasons
See AGTA Members, Lang Antiques and Temple St. Clair, LLC featured in this article! For the past couple of years, the blues have set the mood for both modern and antique jewelry. MORE

This is the World's largest Star Sapphire (and It's Named After Angelia Jolie)
Robb Report
On October 5, legendary Beverly Hills-based jewelry designer Robert Procop will debut the world's largest GIA-certified star sapphire at Saks Fifth Avenue at South Coast Plaza in Orange County, California. MORE

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Colour Investigation: Garnet
Jewellery Magazine
The spectacular phenomenon of colour change can only be seen in a small handful of gemstones. MORE

Science of Stones: Sapphire
Accessories Almanac
See AGTA Member, Oscar Heyman featured in this article! This month as part of our Science of Stones we look at Sapphires, the September birthstone. MORE

Why your social media audience is critical for content marketing
Marketing Land
If you invest time in creating high-quality content, you want it to get shared far and wide. MORE

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Step inside the Diamond Council Reading Room!

The Diamond Council of America invites AGTA members to visit our online Reading Room, which features a library of articles, videos and other resources to help your business thrive.



IGI, the Standard
of Excellence
in Gemology
since 1975

IGI, a worldwide gemological laboratory, providing objective and accurate grading, identification and appraisal reports for gemstones and fine jewelry along with laser inscription and educational courses

China Stone

Call for ePRISM Content
ePRISM is always looking for interesting content.  If you have stories related to colored gemstones or pearls to share with our readers please email them to for consideration.  Send web links or separate files.

The articles and website links appearing in ePrism, and not written by the American Gem Trade Association, are included in the e-publication as general information from -- and for -- the Trade, but do not necessarily reflect the opinion or endorsement of the American Gem Trade Association and its members.

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