Course Learning Sequence

Welcome aboard JDMIS’ Gem & Jewellery Trade Secrets (GT100) Certification Programme! As you step into this enriching journey, you’ll unlock access to all seven unique asynchronous eLearning modules designed for self-study. To maximize the benefits of our live sessions with expert instructors, we strongly recommend exploring the corresponding eLearning module prior.  

If you have enrolled in the Blended Learning format, your live session will take place in-class at JDMIS campus, while for Remote Live format, the live session is online. Lastly, for those who enrolled in Self-paced Online, you can take the course at your leisure without any time live or scheduled live session and submit your assignments whenever you are ready. 

Please refer to the table below for the detailed break-down of the respective eLearning module(s) to go through before each live class:

Students in the gemmology lesson with gem samples in JDMIS
Prerequisite eLearningLive Class (in-person or online)
GT101 MODULE 1: COLOURED GEMS & MINERALS – Earth’s Natural Wonders
GT102 MODULE 2: COLOURED GEMS & MINERALS – Factors Affecting Value
First session
GT103 MODULE 3: DIAMONDS & SIMULANTS – Sources / Attributes of Diamonds
GT104 MODULE 4: DIAMONDS BEYOND THE 4 C’s – Factors Affecting Value
Second session
GT105 MODULE 5: PEARLS – Natural, Cultured and Imitations
GT106 MODULE 6: PEARLS – Factors Affecting Value and Quality
Third session
GT107 MODULE 7: PHENOMENAL GEMS – Natural, Synthetic and ImitationsFourth session
GT108 MODULE 8: JADE & JADE IMITATIONS – The Stone of Heaven
GT109 MODULE 9: ORGANIC GEMS – Categories and Interesting Features
GT110 MODULE 10: NEXT STEPS: GOING FORWARD – Identification & Testing Equip
Final session
(Video only)