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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...

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

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

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

Presidium’s Synthetic Diamond Screener II (SDS II) is a portable desktop diamond verification instrument developed to help screen out Type IIa colo...

SmartPro Aura is The first Synthetic Diamond Scanner that can screen automatically for mounted jewellery but can also be used to test loose stones ...