JDMIS Online Training


Tanja and her student

Topics covered

This 40-minute online lesson will answer essential questions condensed through 4 decades of teaching thousands of aspiring designers:

About the instructor

Tanja Sadow 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

Portrait of Tanja, Jewellery Design instructor

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Founded in 2007 by Gem & Jewellery Expert Tanja Sadow, The Jewellery Design and Management International School (JDMIS) is the only specialised Jewellery School in Singapore. Since then, JDMIS has grown into an established regional training brand, delivering exceptional jewellery education to over 20,000 individuals from over 42 different countries and training the best local and international brands.

Years Of Operation
Certified Graduates
70 %
Students Extremely Satisfied

What our students have to say

Very well organised and presented. Tanja is superb, could learn loads from her… Very excited to start making designs for myself.

Chye Lian L.

Tanja is exceptional in her lectures. She is very well equipped in both industry experience and theoretical applications which help in further understanding the course material..

Shaun F.

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.

Louis L.

Special Halloween Offer: 50% OFF!

This course’s usual price is $20. The special price below will end on 31 Oct 2022 or when the first 50 signups reached, whichever earlier.


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Tanja Manuela Sadow - Dean of the JDMIS
Online Course: How to succeed as a jewellery designer? (50% OFF)  1
Shipping $0.00
Jewellery Design and Management International School
501 Stirling Road, MDIS Campus, Franklin Block, F-1075 to F-1082 Singapore 148951

Singapore WDA Approved Training Organisation | Registered with the Singapore Committee for Private Education | Reg. No: 200723821C Valid: 13/Sep/2022 – 12/Sep/2026