ISG Gem Identification 101 Classroom

Gem Identification Classroom February 26 – 28 Registration Deadline February 1.

February Registration Now Open! 5 Seats Left!

Gem Identification 101 is a classroom learning opportunity for beginner to intermediate-level gemologists with a full day of gem equipment instruction and two days of hands-on gem identification practice. Join us for this special 3-day opportunity to get gem identification training from our new state-of-the-art gemology classroom. 


This class is intended for beginner to intermediate-level students seeking instructor-led, hands-on learning of the gemological tools and over 500 colored gemstones. Classes are 8:30 am – 5:00 pm.

To maximize each student’s learning opportunity, we are limiting this class to 8 students.

The class will include the following schedule:

  • Monday, Feb. 26: A day of instruction lectures and video with hands-on practice of how to get the most out of the various gemological tools.
  • Tuesday, Feb. 27: A full day for instructor-led gem identification practice utilizing our ISG Student Reference Collection of over 500 pre-identified colored gemstones.
  • Wednesday, Feb. 28: A second full day of instructor-supported gem identification practice with a challenge exam at the end to test the student’s progress in the identification of colored gemstones.

Real-Time, High Definition Demonstrations

Classes included real-time, high-definition demonstrations of the gemology tools and techniques and special properties of gemstones to help students expand their gem identification knowledge in the fastest and most efficient ways. 

ISG Student Reference Library

Students will have the opportunity to work with world-class gemological tools and equipment, including our ISG Student Reference Library, part of which is shown on the left. 

Upon successful completion of this class, the student will have an intermediate to advanced understanding of gemstone identification, including how to utilize the concept of deductive over inductive identification processes.

Instructor: Your instructor is Robert James FGA, GG, president of the ISG. Mr. James is a Fellow of the Gemmological Association of Great Britain, a Graduate Gemologist of the Gemological Institute of America, and a former Certified Gemologist of the American Gem Society. He has taught the FGA course program as an Allied Teaching Centre of the Gem-A and taught gemology classes for the Dallas County Community College District and the Okaloosa-Walton Community College District. Mr. James holds a Higher Education Teaching Certificate from Harvard University.

Tuition: US$600.00 complete

Class Size: The class is limited to 8 students to ensure each student gets personal service.
Gemological Tools:
Provided by the ISG, with each student having their own gem toolset to work with. Students will not need to bring anything to this class.
Previous Training: Not Required. Beginners welcome to this class.
Place: ISG Classroom, Helotes, Texas (2 miles west of San Antonio, Texas)
Dates: February 26 – 28, 2024
Times: 8:30 am – 5 pm each day
Certificate of Completion: A Certificate of Completion will be awarded to each student at the end of the class.
Travel Information: The ISG can provide information on suggested hotels, but travel arrangements are the student’s responsibility.
Registration: Register for this class using the form below. Please read the next paragraph for further details.

  • Tuition is due at registration to hold your place in this limited-size class. Registrations cannot be reserved without full tuition payment.
  • Cancellation is available at the following rates: 50% refund before January 29. After January 29 no refunds will be given.
  • Class size is a minimum of 4 students and a maximum of 8 students. If the class fails to be filled or any other issue arises, 100% refunds will be provided.

Contact the ISG for any questions.