John Gilman - Testimonial



"I think  colored diamond course is the best course I've had at AIGS,including the basic gemology course,ruby & sapphire identification, ruby & sapphire treatments, 1-day diamond, 1 week diamond, jade and pearls.The selection of stones was terrific.The instructor of this course is the best gem in...

AIGS is the best place to learn about the grading and valuation of colored stones, as well as how to identify simulants and materials that have been synthesized and/or enhanced. The school has the best instructors and samples for practical-based learning and I hope to return to AIGS to further develop my knowledg...

 AIGS has excellent staff, teachers, printed course materials and stone samples and I feel proud to have finished a program as well-known and respected as the A.G. course. I hope AIGS continues to be the best gemological school in the world, and my own plan is to now...