Unlock the Secrets of the Diamond Trade
Learn. Trade. Succeed.
Are you ready to step into the dazzling world of diamonds?
At the Antwerp Diamond Business Academy, we offer an exclusive, hands-on program designed to give you real-world skills in diamond trading, evaluation, and sales. Whether you’re just starting out or looking to advance your career, our academy gives you insider access to one of the most prestigious industries in the world.
Our Program Is Perfect For:
Luxury and Jewelry Brands – Train your sales team to speak the language of diamonds with confidence and precision.
High School Graduates – Skip traditional university and dive into a practical, skill-based education.
Gemmology Graduates – Translate your theoretical knowledge into actual trading experience.
Aspiring Professionals – Break into an industry often seen as secretive and exclusive.
Curious Learners – Understand how diamonds are valued, bought, and sold around the world.
Led by industry veteran Henri Keesje, our academy is based in the heart of the Antwerp Diamond District, giving you direct exposure to the world’s leading trading hub. Our mission is to provide practical, in-depth training to students, sales professionals, and entrepreneurs alike.

Ready to Enter the Trade?
Discover how diamonds are evaluated, bought, and sold — not in theory, but in real-world markets. At the Antwerp Diamond Business Academy, we don’t just teach diamonds. We live the trade.

What we do
Become a Professional Diamond Trader Today
by Contacting Us
We offer the first diamond trading program of its kind in the heart of the Antwerp diamond district. Educate yourself in the trade and build your confidence in buying and selling skills. Our courses are designed to empower future diamond traders, jewelers, designers, and anyone passionate about the industry.
What You’ll Learn:
✅ Diamond Grading & Appraisal
✅ Trading & Price Evaluation
✅ Sales Strategies & Client Communication
✅ Understanding the Global Diamond Market
✅ Building a Career in the Diamond Industry
What we do
Educate yourself by the trade. Build up your confidence in buying and selling skills.
Knowledge is power!

WHAT OUR CUSTOMERS SAY
Happy With Customers & Clients
Interning at the Diamond Bourse in Antwerp under Henri Keesje was an absolute game-changer! Henri’s guidance and expertise in the diamond trade opened my eyes to a world of opportunities. From learning the intricacies of diamond evaluation to navigating global markets, every day was a new adventure. The hands-on experience and mentorship I received were invaluable in shaping my career
Musi G
- Belgium - Israel
Après avoir étudié la gemmologie à Anvers, jai pu entrer dans le monde réel des diamants grâce à Henri. De l’approche des pierres à la négociation des prix , j’ai appris avec intensité et joie les ficelles du métier. Au sein même de la bourse d’Anvers , l’expérience était très enrichissante et pleine d’enjeux !
Jordan M
- Paris-Marseille, France
Henri Keesje has 20 years experience in forming and training people for the diamond trade and jewelry business. He has developed a unique way of teaching and compiling information to be used by his student for their future career.
Henri Keesje
- Antwerp, Belgium
Dans le cadre de mes études de gemmologie et diamant au HRD (Anvers), j’ai eu la chance de pouvoir entraîner mon œil au tri de pierres et surtout d’apprendre à négocier le diamant grâce à l’extrême générosité et pédagogie de Monsieur Henri Keesje. En effet, les études n’abordent que l’aspect mathématique et géologique des pierres. Henri a l’art
Florence Z .
- Paris, France
I remember when I wanted to enter the world of diamonds, people told me I needed to get all kinds of certifications first- this is when I met Mr. Henri Kessje, who told me to first try it out to see if I like the industry. Spending a few weeks with him taught me taught me all I
Meir D.
- Montréal, Canada
Get In Touch
Hovenierstraat 51, 2018 Antwerp, Belgium