Monthly Archives: October 2018

Presidium Gem Tester II

The most trusted and sought after colored gemstone tester just got better.  A simple to use gemstone tester that offers peace of mind.  Don’t be fooled again. Identifies diamonds, moissanites and most colored gemstones. Simple and easy to use.  Compact, sturdy and portable. Consistent and reliable results every time. Tests both polished and unpolished gemstones. […]