Diamond Colour Grading

Revolutionary handheld CVD/HPHT & Moissanite Screener that can be used on loose OR mounted stones (even if they are mounted on closed back sett...

Diamond Colour GradingGemPen Darkroom allows the professional user to create a portable environment, making it easier to more accurately interpret ...

The GemPen® provides professional users with the means to efficiently determine whether a diamond, ruby, or sapphire is natural, synthetic (man-mad...

Varna-D quickly grades a diamond’s colour with precision, speed and repeatability! This self-contained device comes with inbuilt lights, processor ...

The GemPen Filters are to be used as Add On Filters to be used with the GemPen Diamond Screener for testing and verifying Diamond, Rubies and Sapp...