About Us
We are diamond color enhancement turnkey solution veteran:
High Pressure High Temperature (HPHT) annealing is the core technology that makes diamond color possibly permanently changed.
Guilin Guide Superhard Material Co., Ltd. is the world leader in HPHT processing for diamond color enhancement including natural diamond and lab grown CVD diamond.
Nothing is added and nothing is removed from diamond, just making diamond the best it could be.
What we provide: HPHT annealing turnkey solution; HPHT annealing core materials; HPHT annealing services.

We are diamond color enhancement turnkey solution veteran:
High Pressure High Temperature (HPHT) annealing is the core technology that makes diamond color possibly permanently changed. Guilin Guide Superhard Material Co., Ltd. is the world leader in HPHT processing for diamond color enhancement including natural diamond and lab grown CVD diamond. Nothing is added and nothing is removed from diamond, just making diamond the best it could be.
What we provide: HPHT annealing turnkey solution; HPHT annealing core materials; HPHT annealing services.

Why Choose GD Diamond?

Our Mission
- Veteran: with over 20 years’ industry experience
- Turnkey Solution: lab grown CVD diamond color enhancement
- Turnkey Solution: lab grown HPHT diamond growth
- Quick Feedback: 24/7
We are the high pressure high temperature application veteran
ABOUT COMPANY
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.


What we do
To provide cutting-edge products to our customers all over the world
Our Mission
Making sure each delivery to our customers in the toppest quality
Core Values
Sincerely taking each customer with excellent services
Why Choose GD Diamond?
Technology + Quality + Service
Veteran
With over 20 years' industry experience
Turnkey Solution
Lab grown diamond turnkey solution
Quick Feedback
24/7 Days Support
Quality is Our Greatest Asset
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Actively shaping the future and mastering challenges such as increasing complexity, digitization and constant change: this is what we at Artbees see as the task of progressive human resources management.
Our Mission
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Our Values
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Respect
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Ownership
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Trust
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Integrity
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