
The Source for Precision-Engineered Lab-Grown Diamonds.
Navkar Gems & Jewels: A global leader in advanced CVD & HPHT manufacturing, powering the world's most trusted jewellery partners.
Direct Manufacturer
From seed to stone. We are the source. Our state-of-the-art facility in Surat controls every step, ensuring unparalleled quality and supply chain integrity.
Unmatched Capability
From precision-calibrated melee to 50ct+ certified stones. Our mastery of both CVD and HPHT delivers a vast, consistent inventory of DEF white, fancy colors, and custom-cut diamonds.
Global B2B Partner
With primary manufacturing in India and a key logistics hub in Hong Kong, we provide seamless, reliable service to jewellery professionals worldwide.
The New Standard in Diamond Supply.
Discover how our manufacturing excellence and direct-from-source model can become your strategic advantage.
What Our Partners Say
"Navkar's consistency and quality are unmatched. Their calibrated melee has saved us countless hours in production, allowing us to scale our most intricate designs."
Eleonore Dubois
Head of Production, Atelier Bijoux, Paris
"Working with Navkar is a true partnership. They understand our need for unique, high-quality stones and have been instrumental in developing our latest collection."
Kenji Tanaka
Lead Designer, Tanaka Fine Jewellery, Tokyo
"The reliability of their supply chain is critical for our business. With their Hong Kong hub, we get our orders on time, every time, without any surprises."
Isabella Rossi
CEO, Rossi Diamonds, New York
Our Alliances & Memberships
We are proud to be associated with leading industry bodies, reinforcing our commitment to quality, ethics, and global trade.

















