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Explore the world of rubies and sapphires in this introductory course and learn:
Gemological characteristics of corundum
Common origins of ruby and sapphire
The basics of grading color, clarity, cut and carat weight
Elements of the gemstone trade with an overview of the gems industry in Chanthaburi, Thailand
Duration: Self-paced; complete within 90 days
Examinations: Three attempts within 3 months
Theory: Exam online 75%
Should a student fail exams, they are allowed a maximum of two retakes.
Upon successful completion, you’ll earn: Ruby & Sapphire Grading Essentials Certificate
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