U.S. Holiday Closure
The Carlsbad and New York laboratories and campuses will be closed on Monday, May 30 in observance of the Memorial Day holiday. These locations will resume regular business hours on Tuesday, May 31.

featured Research & News

Alumni Spotlight

Love of Brazil Shines in Alum’s Designs

Designer’s jewelry reflects the rich tapestry of Brazil.
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Book Review

The Eduard Josef Gübelin Story

The Swiss gemologist Dr. Eduard J. Gübelin will be forever linked to the study of inclusions in gems.
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Gem News International

Fordite from the Corvette Assembly Plant

Freeform fordite accumulated from a now-defunct method of painting automobiles.
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Lab Notes

Examination of the Largest Canadian Diamond

GIA examines a 187.66 ct pale yellow diamond from Diavik, the largest rough diamond ever found in Canada.
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Alumni Spotlight

Alum’s NGO to Help Madagascar’s Children

Michelle Rahm, GG, wants to help improve the lives of Madagascar’s real “gems” – the children.
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