Alethea Inns, CGA
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Alethea Inns, CGA, is the Director of Gemology & Education for the American Gem Society. She was formerly the Director of Diamond Grading for the AGS Laboratories. She has her MS in Nonprofit Management and Project Management from Northeastern University. She obtained her Hons. B.Sc. in Geology from McMaster University and her Graduate Gemologist, Accredited Jewelry Professional, Graduate Pearls, and Jewelry Business Management diplomas from GIA. She is working on completing her Fellowship of Gem-A (FGA) with the Gemmological Association of Great Britain.

Alethea started her career with the Gemological Institute of America’s Laboratory where she worked for Identification Services, specializing in the theory and practice of diamond grading, fancy colored diamonds and colored stone identification. In addition to her Certified Gemologist® Appraiser credential, Alethea holds her E-Learning Instructional Design Certificate and Articulate Storyline certificates, her Certified Virtual Event Planner Certificate (CVEP), and Lean Foundations, Lean Six Sigma Champion, and Lean Six Sigma White Belt certifications.

Alethea is a gemological subject matter expert for both the AGS and AGS Laboratories, bylaws and membership manual expert for the AGS, and is responsible for overseeing the AGS and AGS Laboratories efforts to expand educational course development, administration, and offerings in conjunction with the AGS values of ethical business practices, continuing education, and consumer protection.


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Mission Statement

The American Gem Society (AGS) is a nonprofit trade association of fine jewelry professionals dedicated to setting, maintaining and promoting the highest standards of ethical conduct and professional behavior through education, accreditation, recertification of its membership, gemological standards, and gemological research.

The Society is committed to providing educational products to inform and protect the consumer and to contributing to the betterment of the trade by creating industry standards to protect the jewelry-buying public and the fine jewelry industry as a whole.

AGS Laboratories, founded to support the AGS mission, is a nonprofit diamond grading laboratory with a mission of consumer protection. Adhering to the AGS Diamond Grading Standards, AGS Laboratories is dedicated to offering diamond grading reports that provide consistency and accuracy based on science.

American Gem Society

8881 W. Sahara Ave. Las Vegas, NV 89117 (866) 805-6500