JDMIS jewellery school logo

Become a savvier gem and jewellery buyer with

Gems & Jewellery Jamming
30-minute Evening Sessions | Free Admission

Weekly Sessions Exclusively At The National Design Centre (Bugis)

With the support of the Design Singapore Council, these expert talks are now free to the public for a limited time at the National Design Centre that will inspire you to explore new creativity & design horizons in jewellery.

The Instructor

Tanja Sadow

Tanja is an award-winning jewellery designer and gemmologist with more than 4 decades of experience educating the jewellery industry across 4 continents. As Dean and founder of JDMIS, Tanja trains teams from top jewellery brands and works with aspiring artisans to help them achieve brilliance in their careers.


Tanja and gemmology graduates

Founded in 2007, the Jewellery Design and Management International School  is a unique school in Asia providing Jewellery Design and Management Programs. JDMIS is Singapore’s only specialized jewellery school and offers end-to-end jewellery education, which includes Professional Certificate Courses leading to Diploma and Advanced Diploma. 

Our campus is located at 111 Middle Road #01-03/04 National Design Centre Singapore, 188969

15 Years of Operation

20K Participants

5,500 Certified graduates

30+ Programmes


From Past Participants

Picture of a diamond

(JDMIS is) an awesome place to learn gems and metals!

Picture of a diamond

JDMIS is truly awesome. Worth any time and money you invested in. Regardless of whether you are in the jewellery trade or not this is good knowledge.

Picture of a diamond

I love the way Tanja teach! The class were never bored as she fills the lessons with examples and stories related to the topic of the lessons.

Picture of a diamond

Love the history, story and trade sharing by Tanja... Very insightful learning!

Event Gallery

Seats are filling up fast!

Discover Your Passions For Gems & Jewellery

Copyright © 2023 Jewellery Design and Management International School

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

Enable Notifications OK No thanks