: Courtesy: Dr. Eduard J. Gübelin Collection
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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
G&G Announces Most Valuable Article Awards
G&G announces the winners of the Dr. Edward J. Gübelin Most Valuable Article Awards for 2019.
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Feature Article
A Pin for Coronavirus Health Care Fighters
GIA graduate Franco Valobra creates a commemorative pin to recognize health care workers on the frontline of the coronavirus battle for survival.
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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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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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