An Unusual Pearl: Coated or not?

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Roskin Gem News ReportGary Roskin Conch Pearl: Coated, or not? Identification of pearl coatings can be a bit tricky, especially if the coating has been performed...

The Diavik Midnight Sun

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Rio Tinto’s rare yellow and pink diamonds showcased in symbolic ring A one-of-a-kind yellow and pink diamond ring showcasing the finest gems from Rio Tinto’s...

GIA Alumni: Continuing Education

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Learn from GIA's best. Continuing education sponsored by the GIA Alumni Collective

For Love of Lapis Lazuli

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Rapaport MagazineCynthia Unninayar | November 30, 2022  The rich blue gem known as lapis lazuli has long evoked comparisons to a star-flecked evening sky. The...

AGTA Spectrum Awards – One more time: Color Champions

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Rapaport Magazine - Jennifer Heebner | November 2022 - This year’s AGTA Spectrum & Cutting Edge Awards featured top-notch jewelry talent and exquisite carvings. It’s...

AGTA ePrism Magazine: Dispatches from Afghanistan with Vincent Pardieu

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Part I: Lapis in Badakhshan By Gemologist Vincent PardieuEdited by Jennifer Heebner, Editor in Chief Gemologist Vincent Pardieu recently traveled to Afghanistan to see the famous...

MUST READ

Gems & Gemology, Summer Issue 2022

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Diamonds from Guyana, Ekanite from Sri Lanka, a New Amber Source in Vietnam, and More... GIA.eduDuncan Pay, Editor-in-Chief Other features include:The Shape of EkaniteDiscusses the unusual...

The Diavik Midnight Sun

Mainers – The BIG Find!