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Gem & Jewellery
Trade Secrets

$500
$ 350
  •  
5/5

״I have benefited a lot from taking the course. ״

Essential Gemmology for the Jewellery Trade

This comprehensive course gives you the knowledge and power to take control of your gem purchases (if you are a collector or enthusiast) or your sales process (if you are a designer or jewellery professional).

Expert Instructor

Learn from Gemmologist & Jewellery Expert, Tanja Sadow, who has over 4 decades of experience.

Fast

Designed for busy professionals, this course gives you certified gemmological knowledge in just 4-6 weeks

Convenient

All important theory and practical demonstrations are covered with detailed, closeup micro-learning video sessions

Live Q&A Webinar

Students can submit questions in advanced and join three 1-hour live group sessions with the instructor

The Syllabus

Learn about gemmology quality and value factors for all types of gems, from Diamonds to Coloured Stones, Phenomenal gems, Organics to Jade. Beyond the common trade practices, you will see and learn about imitations, synthetics and treatments sometimes used to enhance or even to deceive.

Play Video about picture of jades in various colours

Topics You'll Learn:

Coloured Gems & their value factors

Classifications, Imitations and Values of Pearls

Gemmology JDMOS cover image man examinining a gem
Picture of measuring raw cut diamond

Natural Diamonds, Value Factors, Simulants & Synthetics

Jade and Jade Imitations

$500
$ 350
  •  

Be Confident In Your Next Gem Purchase

What Did Our Graduates Say?

5/5

“I wish I bought more image packs!”

5/5

“I love this little thing!”

5/5

“The print quality is amazing!”

JOIN A NETWORK OF OVER 4,700 CREATIVE JEWELLERY PROFESSIONALS

Our students and alumni are successful designers, artisans, collectors and trade professionals. Get started with our online programmes and expand your skills, network and confidence in jewellery. 

Copyright © 2023 Jewellery Design and Management International School

111 Middle Road #01-03/04, National Design Centre, Singapore 188969