Gemological Institute of America GEMS / Weitzmann Institute of Science in Israel / /
Person
Ben Bridge Jewelers / Erica Van Pelt / James E. Shigley / Ron H. Geurts / Ilene M. Reinitz / Nahum Stern / T. Scott Hemphill / Barak Green / Lisa Kornylak / Kim Cino / Troy Blodgett / John M. King / Al M. Gilbertson / Mary L. Johnson / /