3.0mm 3.5mm, 4.0mm,4.5mm big HPHT mono diamond single crystal

HPHT (High-Pressure High-Temperature) yellow diamond single crystals with large grain sizes are synthetic diamonds produced by simulating the natural diamond formation process under extreme pressure and temperature conditions.

Size: 1.0mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm, 2.2mm, 2.4mm, 2.6mm, 2.8mm, 3.0mm, 3.2mm, 3.4mm, 3.6mm, 4.0-5.0mm

Weight: 0.01 carat - 0.3 carat per piece

Grade: JSBD9907, JSBD9908, JSBD9909, JSBD9910

• Produced by HPHT, 10 Moh's hardness, high quality as natural diamond, can pass diamond test pen
• Mono-crystal/single crystal
• Octahedron shape
• White or yellow color, good transparency, high purity
• Great thermal stability, high strength, high impact-resistant, non-magnetic, excellent chemical stability

• Jewelry
• Cutting tools for non-ferrous and non-metallic materials
• Dressers for wheel dressing
• A variety of specialty knives
• Burnishing tools and dressing tools