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May2020
11
Lab Grown Diamond-CVD Diamond Color Enhancement
CVD diamond color enhancement also called HPHT treatment, HPHT annealing, is using high pressure high temperature method to improve CVD diamond color and clarity.
May2020
11
Lab Grown Diamond-CVD
The other kind lab grown diamond is CVD diamond, which is grown by chemical vapor deposition method. What CVD method grows always is large and ultra large size CVD diamond.
May2020
11
Lab Grown Diamond-HPHT
Diamond includes "Mined Diamond" and "Lab Grown Diamond". CZ and Moissanite could only be judged as false diamond.
May2020
09
Lab Grown Diamond-CVD Diamond HPHT Annealing
Many clients have been asking me certain similar questions about CVD diamond color enhancement (HPHT treatment/ annealing).