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We have created the ultimate online destination for people who are passionate about gemstones

Become an expert on the intricacies of gemology, embark on a new career, or just share your fascination with other gem enthusiasts all in one place.

JOIN 12,775 GEM ENTHUSIASTS AROUND THE WORLD


"The Diamond Specialist Course is excellent, as comprehensive as it could be, and its structure offers all the theoretical and practical knowledge for grading and evaluating diamonds."

"I very much liked the Diamond Specialist Course, it is excellent, as comprehensive as it could be, and its structure offers all the theoretical and practical knowledge for grading and evaluating diamonds. Moreover, IGS related articles complement and consolidate what you learned during the course. It is true that the previous graduation of the Professional Gemologist Course has made it easy for me to understand and learn the lessons from this course, which has really become a specialization in the field of diamonds. I would recommend anyone to take the Professional Gemologist Course first and then the Diamond Specialist course."
Daniel Penescu

"IGS is a Godsend for me"

"I have been on the distant sidelines of the jewelry business for a long time with a great love of colored stones and working with gold. I must tell you that IGS is a Godsend for me, as I do not have the resources or the six months required to get a GG from the GIA now."
Charlie Bernheiser IGS Member
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Membership Features


Get access to member-only premium features!



And we are adding to this content every month!

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IGS Membership Plans and Pricing

Plan

Gem Enthusiast

For Hobbyists, Enthusiasts and the Curious
  • Gem Buying Guides
  • Gem Price Guide
  • Premium Articles
  • Forum Access
  • Business Listing
  • Access to Mini Courses for $24.95 each
  • Access to Certification Courses
Price:
monthly $9 per month
anually $75 per year Save 30%
Plan

Professional

For Gem Pros and Aspiring Gem Pros
  • Gem Buying Guides
  • Gem Price Guide
  • Premium Articles
  • Forum Access
  • Business Listing
  • Access to ALL Mini Courses for FREE
  • Access to Certification Courses for $400 each
Price:
monthly $20 per month
anually $192 per year Save 20%

100% Money-back Guarantee

Not satisfied with your experience? We’ll refund your membership purchase within 120-days of purchase; or your course purchase within 14-days of purchase. No questions asked.

*The Professional plan is required for access to the Professional Gemologist Certification and Diamond Specialist Certification. An additional cost of $400 for each course is required to cover the cost of testing.



"It's like a good who-done-it mystery. It just can't be "put down."

"You are one heck-of-a-writer. This course is so well written, that I'm convinced that anyone, even me, can understand and master this material. After having read the first four introductory articles, I find myself actually wanting more time to study. It's like a good who-done-it mystery. It just can't be "put down."
Joe Tulving IGS Pro Member

"I have been faceting gems as a hobby and just wanted to learn more about what I was really doing. I have gotten hooked now."

"I have been faceting gems as a hobby and just wanted to learn more about what I was really doing. I have gotten hooked now and really enjoyed your course. It is very well done . I'm going to see where this may lead me in the future now. Thank you all so much!"
James Mullin

"What a gift you give, passing this knowledge to those of us who are seekers"

"Just wanted to thank you for the fantastic adventure I have had since becoming a member of IGS. The quality of your Gemology Course is tops. Nice to know that such folks as you exist. What a gift you give, passing this knowledge along to those of us who are seekers."
Dr. John Parrott IGS Member
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