Mapple Gems Journal

Lab Grown Diamonds

Guides, stories, and answers about lab-grown diamonds, moissanite, and fine jewellery — written by our atelier.

Currently reading: 2 stories

What Is an HPHT Diamond? High Pressure High Temperature Explained

What an HPHT (High Pressure High Temperature) diamond is, how the process recreates the Earth's natural conditions to grow real diamonds, and...

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What an HPHT (High Pressure High Temperature) diamond is, how the process recreates the Earth's natural conditions to grow real diamonds, and...

The natural formation of diamonds: billions of years of heat and pressure deep in the Earth's mantle, the volcanic journey upward, and...

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