Thomas M. Moses Fanus Viljoen Paris, France New York, New York Johannesburg, South Africa Al Gilbertson...Carlsbad, California Canberra, Australia New York, New York Gaston Giuliani Aaron Palke Christopher...Zhou Vancouver, Canada Chicago, Illinois New York, New York Yunbin Guan Nathan Renfro J.C. (Hanco)...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2021 Gemological Institute of America All rights...reason for the formation of a new pearl sac, or will become the nucleus of a new pearl. Lastly, the relationship |