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Introducing GemPen
GemPen® is a powerful portable gemmological instrument for today's jewellers and gemmologists, providing the ability to screen diamonds, rubies and sapphires for synthetics and treatments. GemPen® was invented by Swedish gemmologist and geologist Torbjörn Lindwall (FGA), to provide a portable solution to aid in transparency and valuing gems in the industry. GemPen® utilizes full spectrum Xenon ultraviolet (UV) light technology with a unique combination of wavelengths and filters which enables observation of results on treatments and lab-created diamonds - that are not visible using standard UV-light products.
Watch the video below for a quick introduction to GemPen.