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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Latest Laboratory Promotions

View details about the latest diamond grading promotions.
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Tagua Nut as a Sustainable Botanical Alternative for Ivory

Jewelry designer Alexandra Mor uses sustainable alternatives for elephant ivory.
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Book Review: Farah Khan: A Bejeweled Life

Review of Farah Khan: A Bejeweled Life by Paola De Luca.
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Plume Agate from Iran

Two varieties of colorful plume agates, characterized by inclusions resembling clouds of smoke, are sourced from Iran.
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Pyrope-Almandine Garnet in Sapphire Host

The Bangkok laboratory recently identified a pyrope-almandine garnet in a sapphire host.
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