Research & News
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.
Latest Laboratory Promotions
View details about the latest diamond grading promotions.
Tagua Nut as a Sustainable Botanical Alternative for Ivory
Jewelry designer Alexandra Mor uses sustainable alternatives for elephant ivory.
Book Review: Farah Khan: A Bejeweled Life
Review of Farah Khan: A Bejeweled Life by Paola De Luca.
Plume Agate from Iran
Two varieties of colorful plume agates, characterized by inclusions resembling clouds of smoke, are sourced from Iran.
Pyrope-Almandine Garnet in Sapphire Host
The Bangkok laboratory recently identified a pyrope-almandine garnet in a sapphire host.