: Courtesy: Gary Bowersix
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Research & News
New Service
The GIA Diamond Origin Report: Traceability Based on Science
Consumers now, more than ever, have a heightened awareness of sustainably and ethically sourced products. The GIA Diamond Origin Report uses scientific evaluation to provide confirmation of a diamond’s geographic origin.
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Feature Article
What Country Do My Diamonds and Other Gemstones Come From?
Dr. James Shigley shares how GIA determines colored stone origin and the mysteries of diamonds origin.
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Feature Article
Top 10 Digital Reads from the GIA Library
Explore GIA’s collection of free, rare digital books and manuscripts that document the history of gems and jewelry.
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Feature Article
ABCs of Pearls Reveal Fascinating Aspects
"The A-Z of Pearls,” with at least one pearl-related subject for each letter of the alphabet, was presented in Thailand recently.
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Feature Article
What’s Next?
A look ahead to the future of geographic origin determination.
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Webinar Series
GIA Knowledge Sessions
Engage in webinars on the most diverse and pressing issues in gemology today, including gemstone origin, laboratory-grown stones and new discoveries in field gemology.
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