Diamond Color Treatment and Its Identification | GIA Knowledge Sessions Webinar Series

GIA Knowledge Sessions Webinar - recorded live on June 25, 2020. Natural fancy color diamonds acquire their color in a variety of ways, such as through trace elements, radiation and crystal lattice distortion. What about laboratory-grown fancy color diamonds? Or natural diamonds that have undergone treatment to change or improve their color? How are they created or treated and how do GIA scientists detect them? Tune in as Dr. Wuyi Wang, vice president of research and development, offers insight into diamon