HPHT rough diamond is a premium lab-created diamond material, also known as synthetic diamond, cultured diamond or cultivated diamond. Produced through advanced artificial processes, these diamonds offer identical properties to natural diamonds formed by geological processes. HPHT diamonds are widely recognized as high-quality Chinese man-made diamonds.

Our uncut diamond crystals are single crystal structures manufactured using high temperature and high pressure methods. We provide sizes ranging from 1mm to 10 carat large single crystals with exceptional properties:

• Maximum hardness (Moh's 10)
• Superior wear resistance
• Excellent corrosion resistance
• High chemical stability

These diamonds meet rigorous requirements for various industrial applications including finishing tools, special cutting instruments, and indenters. They are equally suitable for jewelry and craft applications.

Chenguang Machinery & Electric Equipment Co., Ltd (Diamond Division) specializes in the development, production and marketing of ultra-hard materials. Since 1993, we have been supplying high quality lab grown diamonds to domestic diamond tool manufacturers.

Our production facilities utilize advanced equipment and rigorous quality control procedures. As a leading diamond supplier, we provide comprehensive diamond products and solutions to numerous well-known Chinese enterprises, with over 20 major clients maintaining partnerships with us for more than 10 years.

Since 2010, our products have been exported worldwide, earning recognition for their consistent quality and our professional service standards.