GemPen quickly proved to be useful; The fact that you can screen multiple stones in a jewellery or in a batch of melee has been a real time-saver for us. It is the preferred tool for initial examination of jewellery to detect synthetics.
– Emelie Magnusson, Gemmologist at one of the leading auction houses in the Nordics.
We are extremely impressed with GemPen and are currently integrating it into our Diamonds, Advanced Gemmology, Gem Identification theory courses, our Career Gemmologist and Diamond Professional Programs and our eight-day Diamond Grading and Lab-created Diamond practical classes for 2020. In today’s market, having a reliable screening device at your fingertips is essential.
– Geoffrey M. Dominy, Founder/CEO of World Gem Foundation