GemoLog Colour Stone Gemstone Tester

"This item has been discontinued and is no longer manufactured"

The most sophisticated and user-friendly colour stone gem tester on the market. Separates genuine, cultured, lab and most imitation gems of any size, bulk or setting. Can test semiprecious gems: rubies sapphires and emeralds along with precious gems: garnet, alexandrite and spinel. 

• Instantly, with a push of a button, you can separate Genuine from Cultured and Imitation gems;
• Save time with fast and easy non-destructive testing;
• Conveniently tests loose and faceted gems (rings, earrings, etc.);
• Works on most colour precious and semi-precious gems, except diamonds;
• Perfectly suited for testing the following:
  • Precious Gems: Ruby (red), Sapphire (blue), and Emerald (green);
  • Semi-precious Gems: Garnet (red), Alexandrite (variable green-red), and Spinel;
• Uses State-of-the-Art optical sensor (patent pending);
• No calibration required. Ready to test when you are;
• Proudly Assembled and Serviced in the USA