Natural Blue Diamonds, GIA Knowledge Sessions Webinar Series

GIA Knowledge Sessions Webinar recorded live on October 22, 2020. Natural blue diamonds are among the most valuable and famous of fancy color diamonds. From the Hope diamond with its fiery phosphorescence to hydrogenrich diamonds with their intriguing Alexandrite effect, blue diamonds have always captured our imagination. Tune in as Dr. Sally Magaña Sr. Manager of Diamond Identification explores the science of blue diamonds and their close cousins, violet and gray diamonds, and delves into the stori