Conclave 2026

Space for this Hands-on GIA session is limited to 24 participants and is first-come, first-served.

In today’s market, it is increasingly rare to come across ruby and sapphire whose beauty and appeal is entirely due to natural processes. During this hands-on seminar, GIA experts provide an in-depth understanding of various artificial treatments for ruby and sapphire. Through close examination of specimens, participants will learn practical tips for identifying these treatments and gain a better understanding of why these stones were treated at all.