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CVD Diamond Color Enhancement Turnkey Project

We are the high pressure high temperature application veteran

Our engineering team has been in the high pressure high temperature (HPHT) field over 20 years. Since 2017, we have built Guilin Guide Superhard Material Co., Ltd. to serve for lab grown diamond growers, manufacturers and wholesalers all over the world.

As CVD diamond growth defect, High Pressure High Temperature (HPHT) annealing is the core technology that makes diamond color permanently improved. We’re the leader to provide diamond color enhancement turnkey solutions and services to global CVD diamond growers, manufacturers, dealers and wholesalers. Nothing is added and nothing is removed from diamond, just making diamond the best it could be.

Over 80% globally HPHT diamond roughs are coming from China. We supply diamond growers, manufacturers, dealers HPHT roughs and HPHT machine for roughs growth. 

Why Choose GD Diamond?

Technology + Quality + Service

Veteran

With over 20 years of industry experience

Turnkey Solution

Lab grown CVD diamond color enhancement
Lab grown HPHT diamond growth

Quick Feedback

24/7 Days Support

Veteran

With over 20 years of industry experience

Turnkey Solution

Lab grown CVD diamond color enhancement.
Lab grown HPHT diamond growth.

Quick Feedback

24/7 Days Support

Product Name

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Chinese HPHT cubic press has been widely used for HPHT annealing IIa type natural diamond and lab grown CVD diamond.
With the development of lab grown diamond growth technology, gem-quality HPHT diamond growing has been favored by numerous jewelry manufactures.

Our Services

Toll Manufacturing Services

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Custom Manufacturing Services

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Development Services

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A Full Services

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Our professional team works to increase productivity on the market.

Our professional team works to increase productivity on the market.

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