Hpht Diamond

HPHT (High Pressure High Temperature) diamonds are synthetic diamonds that are created in a laboratory setting using advanced technology. The process involves subjecting a small diamond seed to high pressure and high temperature conditions that mimic the natural environment in which diamonds are formed deep within the Earth’s mantle.

Description

HPHT lab grown diamonds possess the same physical and chemical properties as natural diamonds. They have the same hardness, brilliance, and durability, making them visually and chemically indistinguishable from natural diamonds. They are composed of pure carbon arranged in a crystal lattice structure.

What Are HPHT Diamonds?

HPHT lab diamonds are created in a controlled laboratory environment that replicates the extreme pressure (over 1.5 million pounds per square inch) and temperature (above 2,000°C) found deep within the Earth’s mantle. This process accelerates diamond formation, producing flawless, high-quality stones in weeks rather than billions of years.

hpht diamond for sale

Key Advantages of HPHT Diamonds

Identical to Natural Diamonds – Lab grown diamonds hpht have the same physical, optical, and chemical properties as mined diamonds, making them indistinguishable to the naked eye.

More Affordable – Without mining costs, HPHT diamonds are typically 20-40% cheaper than natural diamonds of the same quality.

Ethical & Conflict-Free – Unlike some mined diamonds, HPHT diamonds guarantee no human rights abuses or environmental destruction.

Exceptional Clarity & Color – The HPHT process can enhance lower-quality diamonds, producing near-colorless (D-F) and high-clarity (VS1-VVS2) stones.

Eco-Friendly – Lab-grown diamonds require less water, energy, and land compared to traditional diamond mining.

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Applications of HPHT Rough Diamonds

- Engagement rings & wedding bands
- Luxury earrings, pendants, and bracelets
- Industrial uses (cutting tools, high-performance electronics)

Huanghe Whirlwind (Yellow River) is a professional hpht diamond manufacturer with advanced production technology, top talants and lab, precise production equipment and rich production experience, which can provide hpht diamonds for sale that meet your purchase requirements. Huanghe Whirlwind is a famous brand in China, and we have strong enterprise strength that can achieve product innovation with times, even ahead of times. Contact us to get hpht diamond price list now!

Specification

Size Grade Mark
0.6-0.8ct 1A VVS-SI1 4.0-5.0mm
1B SI2-SI3
0.8-1.0ct 1A VVS-SI1 4.5-5.5mm
1B SI2-SI3
1.0-1.5ct 1A VVS-SI1 5.5-6.0mm
1B SI2-SI3
1.5-2.0ct 1A VVS-SI1 5.5-6.5mm
1B SI2-SI3
2.0-2.5ct 1A VVS-SI1 6.5-7.5mm
1B SI2-SI3
2.5-3.0ct 1A VVS-SI1 7.0-8.0mm
1B SI2-SI3
3.0-4.0ct 1A VVS-SI1 7.0-8.5mm
1B SI2-SI3
4.0-5.0ct 1A VVS-SI1 7.5-9.0mm
1B SI2-SI3
5.0-6.0ct 1A VVS-SI1 8.5-10mm
1B SI2-SI3
6.0-7.0ct 1A VVS-SI1 9.0-10.5mm
1B SI2-SI3
7.0-8.0ct 1A VVS-SI1 9.0-11mm
1B SI2-SI3
8.0ct+ 1A VVS-SI1 9mm+
1B SI2-SI3

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