GIA Lab Classes

Gemological Institute of America (GIA), in recognition of its shared history with the American Gem Society (AGS), and as part of its mission, is sponsoring the Diamond Grading and Gem Identification lab sessions to be offered at the AGS Headquarters in Las Vegas. To apply to participate, scroll down to complete the application form. Please note that applying to attend does not guarantee enrollment, and participation will be confirmed per the listed deadlines.

Due to the latest developments and uncertainty of COVID-19, and upon consultation with GIA, we’ve made the difficult decision to cancel the 2020 lab classes. We apologize for this inconvenience and we greatly appreciate your understanding. Please know, your health and safety are a top priority to us. If you have any questions, please do not hesitate to contact


If you have any questions regarding prerequisite education for the labs, please contact GIA prior to applying.


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