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 hydrogen-rich 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 stories of these legendary stones. Read more of Dr. Sally Magaña’s research: https://www.gia.edu/gems-gemology/spr... https://www.gia.edu/gems-gemology/win... https://www.gia.edu/gems-gemology/sum...