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Scene of a retail street.
Article
Chow Tai Fook Expands Blockchain Initiative with GIA

Chow Tai Fook and GIA offer secure digital blockchain reports that document the diamond journey and grading information in one place.

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Young woman works with a Raman spectroscopy machine.
Article
GIA’s First Research Intern: Genesis of a Gemologist

GIA’s Research Internship Program enables students to get hands-on experience analyzing gem materials, as well as ongoing coaching and mentoring.

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GIA Blockchain Diamond Grading Report

GIA is now using blockchain technology to deliver secure, digital diamond grading reports. This report service delivers the same independent, accurate and unbiased grading analysis as the GIA Diamond Grading Report and Diamond Dossier® services in a digital format.

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Diamond from Jericho eclogite and Juina superdeep diamond
Diamonds from the Deep: How Do Diamonds Form in the Deep Earth?

G&G’s newest section explores how diamonds form in the deep earth.

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Buyers were checking the quality of a jadeite boulder
Article
Witnessing the 56th Myanma Gems Emporium

A firsthand look at this annual ten-day auction, where local and foreign buyers bid on jadeite, pearl, and other gem lots.

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CVD, HPHT and Natural Diamonds
Article
Is There a Difference Between Natural and Laboratory-Grown Diamonds?

Learn about the differences – and similarities – between natural and laboratory-grown diamonds, and how GIA’s researchers and grading laboratories can tell the difference

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GIA iD100® Gem Testing Device

With the growing availability of synthetic diamonds in the marketplace, full disclosure and confidence in knowing what you are buying is now more important than ever. GIA has developed a sophisticated and easy-to-operate desktop instrument to screen for these stones.

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Six people sit on chairs on a stage in front of an audience.
Article
GIA JCK 2019 Panel: Consumers Care Where Their Jewelry Comes From

Consumers want to know that the components of their jewelry – gemstones, diamonds and precious metals – are responsibly sourced.

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Reinvesting in Cartagena: Jewelry School of the Caribbean

A Colombian jeweler operates a nonprofit organization that teaches at-risk youth the art of jewelry making.

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Natural diamond with CVD synthetic diamond overgrowth
CVD Layer Grown on Natural Diamond

A composite of synthetically grown and natural diamond was recently identified by the Carlsbad laboratory.

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