The world of gemstones offers such an endless choice of colour and variety of fascinating minerals that they can satisfy even the most difficult of people to please. Since the dawn of history, men have put their lives at risk in the search for the most beautiful, naturally created, specimens from earth.

What you will learn


Instructors' profile

  • Tanja, jewellery instructor portrait

    Tanja Sadow

    Tanja is an award winning jewellery designer & gemmologist with more than 4 decades of experience educating the jewellery industry across 4 continents. Dean and founder of JDMIS, Tanja works with aspiring artisans as well as top jewellery brand team members to help them achieve brilliance in their careers. Read More
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A message from Tanja


What our students have to say?

  • Diamond - Pyramid Shape

    Great skills taught by great instructors! (I) may create new pieces of jewellery for friends and families, and probably make a jewellery line under my name.

    - Kenji P. (Singapore)

     

  • Thank you Ms Tanja for sharing every aspect and tip for beginners. It is very enriching and engaging. I enjoyed thoroughly.

    - Siti S.(Singapore)

  • The only school in Singapore that provides very good professional jewellery learning.

    - Sin Yu C. (Singapore)

  • Definitely is very useful to create personal pieces for myself and for gifting to others, knowing I have learned the proper way.

    - Karen K. (Singapore

  • The instructors at JDMIS are very professional and provide good quality materials.

    - Yvonne M. (Germany)

  • I would tell people about how professional the instructors at JDMIS are as well as the crafts and skills offered for upgrading

    - Dennis.W. (Singapore)

  • I have recommended JDMIS to my friends so many times over the years, I can't remember how many times I've talked about it now. I always say it's not just fun but extremely practical in real life.

    - Stephanie T. (Singapore)

  • Fantastic instructors giving full support to students. Also showing high experience in the field. Professional and generous staff.

    - Cristiane O. (Singapore)

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