AGS Laboratories – Color Grading of Diamonds
Diamond Grading - The AGSL Way (part three) *The following article is part of a series written in collaboration with the American Gem Society Laboratories. Special thanks to Alethea Inns, C.G., Director of Diamond Grading at AGSL for her technical contributions.. A diamond’s color (or lack thereof) is a critic...
AGS Laboratories – Color Grading of Diamonds CLICK HERE TO VIEW POST