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HPHT & CVD LAB GROWN DIAMONDS TOGETHER
HPHT & CVD LAB GROWN DIAMONDS TOGETHER
HPHT and CVD lab grown diamonds do
not show any fluorescence under Long
UV illumination.
HPHT lab grown diamonds show blue
fluorescence but will be painted in red due to
their phosphorescence.
CVD lab grown diamonds fluoresce
in non-blue colors.
All of the diamonds at the top part of this picture are
HPHT lab grown diamonds and they are fully painted in
red. The 8 diamonds at the bottom part of the picture
are CVD lab grown diamonds. They show a
NON-BLUE
color and some are partially painted in red.
HPHT lab grown diamonds show very strong
phosphorescence in a blue color.
CVD lab grown diamonds show a very weak
phosphorescence or none at all.
RESULT PICTURES
GLOWING RESULT
COLORED PICTURES
LUV RESULT
