What Will I Learn?

  How to grade a colored stone: Color, Carat, Clarity, Cut.
  The fundamentals about the most popular colored gemstones.
  How the gem market works.
  How to price a gemstone.


5 days     USD 1,250


Briefing and practical lab on campus AIGS, Bangkok

5 days from 09:00 - 16:00 hour

Student can also do practical on campus at a later date (current fee at the time of enrollment) and receive the Diploma on Colored Stone Grading and Pricing Course.

Exam: Three attempts within 3 months

Theory: Exam online – 75%

Practical: On Campus – 90%

Should a student fail either or both the written and practical exams, they are allowed a maximum of two retakes


No. Subject Online Practical Total

Colored Stone Grading and Pricing

USD750 USD1,250 USD2,000


For Maximum benefit, student must complete the course within 1 month.

5 days     USD 1,250
Practical Lab   Register Now!
5 days     USD 1,250Practical Lab  Register Now!