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Wednesday September 16, 2026 3:00pm - 5:00pm EDT
Space for this Hands-on GIA session is limited to 24 participants and is first-come, first-served.

Dive into the microworld of natural diamonds with a renowned analytical microscopist, gemologist, and award-winning photomicrographer. This presentation will explore some of the most fascinating inclusions and microfeatures found in natural diamonds as well as discuss why they are gemologically interesting and geologically significant.
Speakers
avatar for Nathan Renfro

Nathan Renfro

Sr. Manager, Identification, GIA
Nathan Renfro, a native of western North Carolina, developed an interest in minerals during his late teens, which was sparked by his grandfather’s rock collection. In 2006 he completed his undergraduate studies in geology and then went on to enroll at GIA for the resident Graduate... Read More →
Wednesday September 16, 2026 3:00pm - 5:00pm EDT
Royal Dublin A

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