State:OR
Hokkaido Gem Laboratory
Services offered: Gem Identification,Diamond Grading,Analysis,Education.Educational Programs
EGL USA - Los Angeles
www.eglusa.comEGL USA is one of the world's premier independent gemological laboratories. For over 25 years it has offered the fine jewelry trade and consumers accurate, reliable gemstone identification and professional certification to validate their gemstone pu ...
AGTA Gemological Testing Center
www.agta.orgThe American Gem Trade Association Gemological Testing Center (AGTA GTC) is the natural colored gemstone industry's premier independent laboratory. The AGTA GTC serves the industry and the public with a complete range of colored gemstone and ...
American Gemological Laboratories (AGL)
The American Gemological Laboratories is an independent organization which grades colored stones and diamonds.
Oregon College of Art and Craft
www.ocac.eduJewelry Manufacturing and Craft School. This is also the oldest craft school in the U.S.OCAC provides an atmosphere that encourages innovation and experimentation, while students master complex techniques. Courses cover the fundamentals of metal-fabricat ...
Gemological Institue of America
GIA Gem Trade Laboratory Reports are regarded throughout the gem and jewelry industry worldwide as the hallmark of integrity, reliability, and consistency in gemological services and research. The Laboratory has literally set the industry standard for dia ...