Gold/Platinum & Gemstone Testers

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...

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...

Kern ORA 1GG Gemmology/Jewellery Refractometer Details Need to measure the refractive index of jewellery? You need Kern's ORA 1GG. This specially d...