Chameleon Diamonds: The Color-Changing Gems You Have to See to Believe Mike Breeding of the Gemological Institute of America (GIA) explains why the chameleon diamond is such a remarkable gem. By Dr. Mike Breeding
Everything You Need to Know About Green Diamonds According To A Scientist Dr. Evan M. Smith of the Gemological Institute of America explains how green diamonds get their colour. By Dr. Evan M. Smith
Blue Diamonds and Their Remarkable Link to Ancient Oceans This is how blue diamonds get their hue. By Dr. Evan M. Smith
