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Exceptional Jewellery Education

Now you can participate in JDMIS’
jewellery course lineup from anywhere in the world!

Skills Focussed

Decades of experience in professional skills training online & in-class

Internationally Recognised

Courses lead to recognized qualifications with pathways to industry & academia

Premium Materials

Use your own tools or purchase materials kits just like the instructor will use!

Our Most Popular Courses, Now online!

For over a decade, you have been able to visit Singapore and complete specialized jewellery training unrivaled in the region. Now Tanja and her team at JDMIS are taking the training programmes offered to the jewellery industry and making them accessible to everyone - without compromising on quality or support.


With an established, accessible and recognised curriculum, JDMIS provides its graduates with expert guidance, up-to-date knowledge, access to a global network of jewellery professionals and, most importantly, a fun, creative environment to learn! With the advent of JDMIS’ online training, you can participate in our award-winning courses from anywhere in the world while maintaining the flexibility to update your skills with our in-class activities whenever you visit Singapore. 

Tanja M. Sadow — Founder & Dean

Founded by award-winning jewellery educator Tanja Sadow, every course taught at JDMIS – online or in class – is lead by experts in their field with decades of industry and training experience. This ensures your training is clear, concise and optimally designed and delivered.

JDMIS is trusted to train the jewellery industry. With clients from international jewellery brands like Cartier and Louis Vuitton, local and regional jewellery companies and partnerships with design, national workforce development and creative agencies – you are assured that the skills you learn are timely, industry relevant and of the highest standard.

Like all JDMIS graduates, you will have lifetime access to your course content and will be free to return to refresh your skills next month, next year or next decade! Ensuring your skills remain up-to-date!

You want MORE than an ‘online course’! 
JDMIS online programmes connect seamlessly to our in-class curricula, allowing you to progress to professional certifications, diploma and advanced diploma qualifications, and even external degree programmes.

What Our Students Have to Say

38 reviews on
Super well-organised school with the best instructor one could ask for, Tanja is so approachable and inspiring. Course fees are reasonable and class environment conducive. Location is really convenient as well. I definitely recommend JDMIS to anyone interested in gems and jewellery!
S Haiezal AlMahdaly
S Haiezal AlMahdaly
Lessons my Tanja is just 👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼 and fun!!!
Teresa Tan
Teresa Tan
I have completed 3 jewellery diplomas over a period of 2 years with JDMIS. Tanja, Alex and the JDMIS team of experienced instructors have been most helpful and encouraging. I look forward to each lesson. Thank you JDMIS for making a career change into the jewellery industry possible!
Tricia Chiang
Tricia Chiang
First of all, thanks to JDMIS for taking the effort to produce the online learning materials. Personally, I found that the online course is so convenient, you may just hit the login button and you can learn or do refresher anytime anywhere you can!
Valentino Bugatti
Valentino Bugatti
Soooo creative, sooo inspirational, sooo much FUN... GO... check it out TODAY
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