Education
What Are Lab Grown Diamonds & How Are They Made?
Discover the science behind CVD and HPHT technology that creates diamonds identical to earth-mined stones — atom by atom.
Read More →Est. 1998 · Surat, India
Exquisite Lab Grown Diamonds & fine Jewelry crafted with generations of passion.
Founded in 1998 in the diamond capital of the world — Surat — Navratna Diamonds has been transforming raw brilliance into wearable art for over two decades. Every piece we craft carries the soul of our artisans and the precision of modern craftsmanship.
We believe a diamond is more than a gem. It is a promise, a memory, a milestone. That belief drives everything we do.
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Our diamonds are created through Chemical Vapor Deposition — the same process nature uses, accelerated in a controlled plasma chamber. Pure carbon builds layer by layer into a flawless crystal, chemically and optically identical to earth-mined diamonds.
A thin diamond wafer placed in the growth chamber as the foundation.
CH₄ & H₂ gases ionized into plasma at 900°C – 1,200°C.
Carbon atoms crystallize layer by layer over weeks into a pure diamond.
Every diamond comes with internationally recognised certification for full peace of mind.
We adhere strictly to Kimberley Process standards — conflict-free, always.
Decades of skill passed down through generations of Surat's finest artisans.
Free cleaning, resizing, and inspection for the lifetime of your jewellery.
Discover the science behind CVD and HPHT technology that creates diamonds identical to earth-mined stones — atom by atom.
Read More →We break down the real differences in quality, price, and sustainability so you can make the perfect choice for your occasion.
Read More →Zero mining. Minimal environmental impact. Maximum brilliance. Learn how choosing lab grown is a statement of conscious luxury.
Read More →Ring Road, Varachha, Surat — 395006, Gujarat, India
+91 98765 43210
hello@navratnadiamonds.in
Mon – Sat: 10 AM – 8 PM