GemTesters, Diamond Testers, Gold Testers
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Presidium GEM Indicator PGI Colored Gemstone Diamond Tester NEW
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Gemstone Estimator
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MUST READ INSTRUCTIONS BEFORE USING | Presidium is available for any troubleshooting assistance THINNEST RETRACTABLE PROBE TIP | Retractable
Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones
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Diamond Tester
Presidium Instruments - The only handheld digital tester in the