Colored Gemstone Testers

The only gemological instrument in the industry that tests gemstones using both thermal and reflectivity testing.

The only handheld digital tester in the industry specifically for colored gemstones, and tests for 31 types of gemstones.

Desktop digital tester that uses refractive index to quickly separate gemstones, diamonds, moissanites and other diamond simulants.

Instantaneously identifies synthetic rubies through its high UV transmittance.

The industry’s most trusted colored gemstone tester that identifies diamonds/moissanites and separates up to 16 common colored gemstones based on their thermal conductivity.