Handheld presidium gem tester +3x AAA batt (model PGI) Discounts apply 5x 5x 100mm 2x +

5x 5x 100mm 2x + 2

UV Security marking)

4% lighter

you just have to recognise the patterns of lines (see the example in the picture)

Handheld presidium gem tester +3x AAA batt (model PGI) Discounts apply 5x 5x 100mm 2x +Summary Handheld model. The first gem tester that is truly pocket size, with the finest probe tip, will test stones down to 2pts in size. Works on any stone, loose or mounted, even uncut. Instruction manual (pdf) Video (youtube) Video Details replaceable probe (i. e. if you break it) latest technology, this is the only tester of this sophistication that is pen size, operated with one hand, slips into a pouch, truly pocket size super fast warm up time