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Precision-Engineered Diamonds

Lab-grown diamonds with atomic-level purity for:
✓ Quantum Applications
✓ High-power electronics
✓ Next-gen optics

Custom Quote

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Sustainable Luxury, Redefined

Flawless Diamonds, Zero Compromise
✓ D-F Color, VVS+ Clarity
✓ Ethically Created, No Mining
✓ 30% More Affordable

Custom Quote

Who We Are

About Supreme Green Diamond

At Supreme Green Diamond, we specialize in growing high-quality diamonds using advanced laboratory techniques. Our in-house team of researchers has indigenously developed state-of-the-art Microwave Plasma Chemical Vapor Deposition (CVD) technology, enabling us to produce superior diamonds with precision and consistency.

Our diamonds are engineered for a wide range of applications, including:

Quantum technologies
Electronics
Thermal management systems
Optical components
Mechanical and tribological uses
Gem and Jewellery

By combining scientific innovation with sustainable practices, we are redefining the future of diamond production across industrial and luxury sectors.

Mission

Our mission is to develop next-generation synthetic diamonds that are environmentally responsible and of the highest purity—advancing applications across quantum technologies, industrial innovation, and fine jewellery.

What We Provide

Precision-Engineered Diamonds for High-Tech & Luxury Needs

At Supreme Green, we specialize in advanced lab-grown diamond solutions—combining unmatched purity, precision engineering, and sustainable innovation. From ultra-pure quantum substrates and high-performance thermal management materials to optical-grade components and exquisite gem-quality diamonds, our products are crafted to surpass industry standards and meet the evolving needs of both technology and luxury sectors.

Optical Grade

We synthesize ultra-pure, single-crystal diamond substrates with >80% broadband transparency (UV to IR) – delivering near-theoretical optical performance for systems where material limits define…

Quantum Grade Diamonds

At the heart of quantum technology lies an extraordinary material—diamond, enhanced by engineered atomic defects. Nitrogen-vacancy (NV) centres in diamond serve as ultra-sensitive quantum sensors…

Thermal Grade

Deploy the world’s highest thermal conductivity material (2000+ W/mK) in scalable formats – from precision single-crystal heat spreaders to 4-inch polycrystalline wafers – solving thermal bottlenecks in power electronics…

Electronic Grade

We pioneer electronic-grade diamond with atomically controlled doping (Boron/Phosphorus), buried heterostructures, and epitaxial integration – unlocking diamond’s…

Mechanical Applications

We deliver single-crystal diamond components with sub-micron tolerances, crystal-orientation control, and <5 nm surface roughness – engineered to outperform in cutting tools, nano-indentation, and...

Gem Quality

At Supreme Green, we craft flawless lab-grown diamonds that rival nature’s finest—offering D-F color, VVS+ clarity, and precision cutting for unmatched brilliance. Our ethically created, sustainable diamonds…

How it works?

Create your custom projects

If you don’t find a desired product – contact us and form a personal order.

Send us your requirement with detail by filling contact us form

We will contact you with estimate price, production and delivery time

You will get the final product

Sustainability

A major portion of the power for our 250 MPCVD reactors is sourced from our own solar energy farm, reinforcing our commitment to clean, sustainable diamond production.