Master Craftsmen in Diamond
Jewellery Manufacturing
For over three decades, Tej Diam Export has been synonymous with exceptional diamond jewellery. Our global presence is built on a legacy of combining time-honored techniques with cutting-edge technology, managed through a network of world-class certified vendors to cater to luxury brands worldwide.
- 150+ skilled artisans across our certified vendor network.
- Partnerships with state-of-the-art manufacturing facilities.
- Conflict-free diamonds with full traceability from mine to market.


The Power of In-House Design
Our greatest strength lies in our in-house design and innovation studio. By controlling every step of the creative process—from initial concept and precision CAD modeling to prototype development—we lay the foundation for perfection. This meticulous in-house preparation ensures a seamless transition to our certified manufacturing partners, guaranteeing your vision is executed with unparalleled quality.
- Uncompromising Design & CAD Precision
- Rapid Prototyping & Development
- Seamless Vendor Collaboration
Premium Manufacturing Services
We offer a complete suite of services to transform your concepts into market-ready, high-end jewellery.

Custom Design Manufacturing
Turn your unique designs into reality with our end-to-end manufacturing, from CAD to the finished masterpiece.

Private Label Collections
Create exclusive collections under your brand with our comprehensive private label solutions.

CAD/CAM Services
Precision 3D modeling and prototyping with advanced CAD/CAM technology for perfect designs.

White Label Solutions
Stock designs ready for your branding with quick turnarounds and flexible minimum order quantities.

Global Diamond Sourcing
Ethically sourced diamonds in all shapes and qualities with full certification and traceability.

Rigorous Quality Assurance
A rigorous 12-point quality inspection process ensuring every piece meets our exacting global standards.
The Art of Diamond Craftsmanship
Our vertically integrated process guarantees perfection at every stage, combining meticulous artistry with technological precision.
Design & CAD
Concept to 3D model with precision engineering.
Wax & Prototyping
High-resolution wax prototypes for approval.
Casting
Precious metal casting with lost-wax technique.
Stone Setting
Expert hand-setting by master craftsmen.
Polishing
Mirror-finish polishing for maximum brilliance.
Quality Control
12-point inspection before global delivery.
Signature Manufacturing Styles
Explore a curated selection of our manufacturing capabilities, each a testament to our craft.

Rings

Necklaces

Bracelets

Pendants
Trusted By Global Leaders
Our partners rely on our discretion, quality, and commitment to excellence.
"Tej Diam Export is more than a supplier; they are a true partner. Their attention to detail and consistent quality are unmatched in the industry."
Anya Sharma
CEO, Luxe Jewels Co.
"The ability to go from a rough concept to a perfectly executed collection, all under one roof, has been a game-changer for our brand."
Marco Bianchi
Founder, Verità Diamonds
"Their commitment to ethical sourcing and transparent process gives us and our customers complete peace of mind. A world-class operation."
Elena Chen
Head of Design, Orion Atelier
Certified Excellence in Diamond Manufacturing
We adhere to the highest international standards for diamond quality, ethical sourcing, and manufacturing excellence, ensuring trust and transparency for our global partners.
Kimberley Process Certified
Responsible Jewellery Council
GIA & IGI Certified Diamonds
ISO 9001 Quality Management
SCS Certified Recycled Metals
Frequently Asked Questions
Answers to common inquiries from our clients.
What is your minimum order quantity (MOQ)?
How do you ensure ethical diamond sourcing?
What is your typical production timeline?
Schedule a Private Consultation
Let's discuss how our global manufacturing capabilities can bring your vision to life. Reach out to our team to start your project or schedule a visit to our Mumbai facility.
Contact Information
Tej Diam Export, Paper Box, Andheri West, Mumbai, Maharashtra 400058, India.
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