Welcome to Carat Systems

Carat Systems provides state of the art plasma CVD deposition equipment, diamond products and advanced deposition processes.

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Our Products

Deposition Systems

Introducing the next generation of CVD Diamond System. The CTS6U is a radically enhanced version of widely proven Seki 6500 system offering the following unique features for advanced R&D and commercial production applications


Diamond Products

Polycrystalline Diamond Wafer, Single Crystal (Gems), and Diamond Tubes





CVD Systems Software

Legacy Astex CVD Deposition Systems using Paragon software have not been supported by the Manufacturer for several years. Carat Systems can modify your Paragon software to accommodate change requirements.

artificial diamonds

Our Short Story

Founded in 1998, Carat Systems provides sophisticated diamond deposition systems for industry and gem markets. Each 1ct of man made diamond that displaces mined diamond on average saves 250 tons of earth from devastation.

More about our team
diamond blocks
Several cored rough CVD 'cubes' totaling 32ct ready for final polishing. Grown at CTS 2016. Largest cube is approx 6x6x6mm
diamond raw
16 ct 14x14x4mm CVD grown rough.

CVD Deposition Systems

We provide breakthrough solutions for the most critical obstacles in diamond deposition. Our flagship product CVD deposition tool provide major enhancements over existing reactors.

  1. Ultra High purity for electronic grade diamond
  2. High pressure, high efficiency microwave plasma (up to 1 Atm)
  3. Enhance throughput via utilizing top and bottom sides of the plasma for deposition.
  4. Web accessible system control software
  5. Ultimate flexibility in user programmable operations
View systems
deposition system

CTS6U Deposition System

Introducing the next generation of CVD Diamond System. The CTS6U is a radically enhanced version of widely proven Seki 6500 system offering the following unique features for advanced R&D and commercial production applications

crystal gems

Single Crystal (Gems)

Top view of HPHT seed coated on both sides with CVD, 0.57ct total weight.

Astex Paragon

Astex Paragon Software Enhancements

Legacy Astex CVD Deposition Systems using Paragon software have not been supported by the Manufacturer for several years. Carat Systems can modify your Paragon software to accommodate your requirements.

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