High-End Tennis Diamond Jewelry.
Crafted for Those Who Expect More.
Natural diamonds. Exceptional quality.
Private, personalized service.
Not a store.
A private jeweller.
TennisDiamonds is a private diamond jewellery service based in the heart of Antwerp — the world's diamond capital. We work with a select number of clients each year to create pieces of lasting significance: tennis bracelets, tennis necklaces, and bespoke engagement rings, each built around natural diamonds of the highest calibre.
Our approach is different. We don't operate a showroom. We don't push products. We guide you — at your pace, on your terms — through every decision.
Natural Diamonds Only
We work exclusively with certified natural diamonds, sourced with integrity from the Antwerp market.
Private & Discreet
No retail environment. A personal service tailored to you, conducted with full discretion.
Antwerp Expertise
Rooted in Antwerp's diamond trade with 30 years of hands-on experience in the industry.
The tennis bracelet,
reimagined.
Our tennis bracelets and necklaces are among the most requested pieces in private jewellery — and for good reason. When crafted with precision and natural diamonds, they are timeless. We offer a curated range of configurations, from classic four-prong settings to bezel-set and two-row designs, in white gold, yellow gold, rose gold or platinum.
- Natural diamonds, GIA certified on request
- Custom carat weight & diamond grade
- White gold, yellow gold, rose gold or platinum settings
- Matching necklace & bracelet sets available
The ring that begins
a lifetime.
Our clients come to us at one of life's most meaningful moments. We guide them through every decision with honesty, patience, and access to the finest natural diamonds available — at fair direct-from-Antwerp pricing. No pressure, no confusion. Just clarity and confidence.
- Private consultation, no showroom pressure
- Access to GIA-certified stones at wholesale
- Bespoke design from sketch to finished piece
- Guidance every step of the way
Built on trust.
Refined by experience.
"Shay guided me through the entire process with patience and expertise. I had no idea where to start — I left with the perfect ring and complete confidence."
— Thomas V., Brussels
"The tennis bracelet he sourced for my wife was exceptional. The quality far exceeded anything I had seen in retail — and the personal service was unlike anything I've experienced."
— Marc D., Amsterdam
"Shay found us a stone well above what we expected for our budget. Clear, honest, no surprises. We couldn't be happier."
— Sophie & Kevin L., Antwerp
"I came with a vague idea and left with something I couldn't have imagined on my own. The craftsmanship is impeccable."
— Nicolas R., Paris
"Discreet, professional, and genuinely knowledgeable. Exactly what you want from someone handling a purchase this important."
— A.W., London
"The matched set — bracelet and necklace — arrived and it was even more beautiful than expected. Every detail was perfect."
— Isabelle M., Geneva
"Three years later and my partner still receives compliments on the necklace. A genuinely exceptional piece."
— David K., Dubai
Ready to begin?
Every exceptional piece begins with a private conversation. Let's discuss what you have in mind.