Diamond Colour Grading

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

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...

Colour: Transparent+White Material: AcrylicSize: 180x35x20mm, 7.09" x 1.38" x 0.79"

PATENT PENDING LED illuminated grading and storage case features both perfectly balanced bright daylight and UV LED™s. It is powered by 3 included ...