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April 08, 2015
AGTA ePrism

What we saw at the 2015 Tucson Gem and Mineral Shows
4Cs Blog
Thousands of gem dealers, jewelry enthusiasts, and rock and mineral fans descend upon this picturesque desert city every February to tour the more than 40 shows offering dazzling collections of gems, jewelry, and minerals from every corner of the globe. The public comes to "ooh" and "ahh" at a rainbow of gems coloring display cases and trendy jewelry, while buyers and sellers get down to business at industry-only shows.

The Value of a Report
It is virtually impossible to sell an important diamond or colored gemstone at auction without a grading report from a reputable laboratory. Today's diamond and colored gemstone market is driven by three basic questions: What is the material, is it natural and has the stone been altered by a treatment of any kind? MORE

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Expedition to the Cruzeiro Tourmaline Mine in Minas Gerais, Brazil
GIA - AGTA Member
In April 2014, a team from GIA visited major emerald and tourmaline sources in Brazil. One of the most exciting mines the team visited was the Cruzeiro tourmaline mine in the state of Minas Gerais, about two hours outside the city of Governador Valadares. MORE

Get to Know Julia Popovich of Zhulia Pearl Jewelry
Julia Popovich traded in translations for jewelry design three years ago when she debuted AGTA Member, Zhulia, a line of saltwater pearl jewelry. "I speak Mandarin, and zhu means pearl," explains the student of East Asian studies with a minor in Chinese, who fell in love with pearl jewelry ushering corporate clients from Hong Kong to China to buy pearls, learning the ropes of production from freshwater pearl farmers. MORE

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25 Pieces of Eye-Catching Gemstone Jewelry
The Cut
Now that you've acquainted yourself with the full rainbow of candy-colored gemstones, it's time to figure out how to wear them. Ahead, 25 glittering, covetable ideas - from multi-million-dollar blue-diamond baubles to affordable luxuries like citrine and tiger's eye.

Four-Strand Necklace Boasting 289 Natural Pearls Is the Most Magnificent of Christie's April 14 Offerings
Jeweler Blog
Last May, the auctioneers at Woolley and Wallis were astonished when a single 17.4mm natural pearl sold for $1.37 million, nearly seven times its pre-sale estimate. On April 14, Christie's New York will be presenting an exceptionally rare four-strand necklace featuring 289 natural pearls.

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Victorian engagement rings: antique jewellery with true vintage appeal
The Jewellery Editor
Victorian engagement rings are popular among brides-to-be who love the romantic aesthetic that pervaded designs of this era. The Victorians were spoilt for choice when it came to engagement rings, with many different styles emerging during Queen Victoria's six decades on the throne.

11 Most Actionable Takeaways from Social Media Marketing World 2015
Social Times
Social media marketers from around the globe recently descended on San Diego, Calif. for the annual social media extravaganza known as Social Media Marketing World.

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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.

Coast Diamond

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
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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