Colored Gemstone Testers
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Gem Indicator (PGI)
The only handheld digital tester in the industry specifically for colored gemstones, and tests for 31 types of gemstones.
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Refractive Index Meter II (PRIM II)
Desktop digital tester that uses refractive index to quickly separate gemstones, diamonds, moissanites and other diamond simulants.
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Synthetic Ruby Identifier (SRI)
Instantaneously identifies synthetic rubies through its high UV transmittance.
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Gem Tester II (PGT II)
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.
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Duo Tester II (PDT II)
The only gemological instrument in the industry that tests gemstones using both thermal and reflectivity testing.
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