Skip to content


Tanja Sadow, Dean and Founder of JDMIS

Our Story

Founded in 2007 by Gem & Jewellery Expert Tanja Sadow,  The Jewellery Design and Management International School in Singapore has provided education in the jewellery arts to local and foreign students in the region.

JDMIS has since grown into an established regional training brand, delivering exceptional jewellery education to individuals from over 42 different countries and training the best local and international brands.

Let The Numbers Speak

JDMIS offers internationally recognized professional certifications, diplomas and advanced diplomas in jewellery design, fabrication and business

Years of Operation
Certified graduates
Certificate Programmes

JDMIS is located in a 5300-square-foot campus in Singapore

Designer lounge

A co-working and networking space for JDMIS participants

Citrine room

The dedicated place for Traditional Design training

Amethyst room

For Digital Jewellery Design; with the latest workstations and jewellery software tools

Creative Jewellery Studio

Jewellery showroom and incubation hub for JDMIS' graduates

The Emerald room

For learning of traditional metalsmithing with specialised equipment and tools

Relaxing corner

Surrounded by beauty and inspiring jewellery, design and nature

Meet Our Lead Instructors

Tanja Sadow

An award-winning jewellery designer with 30 years of experience. As the Dean, Tanja oversees most of JDMIS courses

Alex Zupancich

Instructor for Business & Digital Design with 15 years of experience in jewellery retails & sales psychology

What Our Students Have to Say

The instructors at JDMIS are very professional and provide good quality materials.
Yvonne M.
JDMIS is a good school and Tanja Sadow is so accommodating and it's worth it.
The school takes each skill, technique, and student very seriously.
The programs at JDMIS are run professionally. The classes are fun & the lessons learned are valuable.
Margaret N.