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Career Gemmologist Diploma

Career Gemmologist Diploma


This programme is specifically designed for students wishing to pursue a career in the diamond and coloured gemstones industry; and all its related fields including lab gemmology, jewellery design, jewellery retail, gemstone appraisal, gemstone manufacture, gemstone trading or auction house specialism. 

Refer to Diamond Professional Diploma and Coloured Gemstone Professional Diploma for a detailed description.


This diploma encompasses both the Coloured Gemstone Professional Diploma and Diamond Professional Diploma and covers all online theory courses and practical classes.

  1. Online Theory – Basic Gemmology
  2. Online Theory – Advanced Gemmology 
  3. Online Theory – Coloured Gemstones 
  4. Online Theory – Gem Identification
  5. Online Theory – Diamond Course
  6. Practical – Gem Identification #1
  7. Practical – Gem Identification #2
  8. Practical –Lab-Created & Treated Gems
  9. Practical – Coloured Gemstone Grading #1
  10. Practical – Coloured Gemstone Grading #2
  11. Practical – Diamond Grading & Lab created Diamonds Class

Tests (throughout the course)

  • 12 Online Theory Tests 
  • 2 Practical Tests – Identification of 10 gemstones for each

Final Exam

  • Multiple Choice Theory Test on Diamonds- 100 questions
  • Multiple Choice Theory Test on Coloured Gemstones – 100 questions
  • Essay Question Test on Diamonds- 5 questions
  • Essay Question Test on Coloured Gemstones – 5 questions
  • Practical Exam Test – Full grading of 4 diamonds
  • Practical Exam Test – Identifications of 12 gemstones


Upon the successful completion of this program (both theory and practical courses)  you will receive three diplomas – Career Gemmologist, Diamond Professional and Coloured Gemstone Professional.


  • No prerequisite is needed.
  • The theoretical components of this course are available for long distance learning. You can register at any time and study at your own pace. 
  • There are no time restrictions.
  • Price is £5890 (Digital); the courses are also available in print at an additional cost. 
  • No basic gem testing equipment is included in the cost of this course.
  • Please note prices are given before tax. For UK residents VAT (20%) must be added.

For an overview of all available courses and study paths