Gemstone Tester/Color Estimator Presidium

Cas-Ker is your trusted and timely source for precision watchmakers and jewelers tools and supplies. Family owned and operated since 1927, Cas-Ker has the professional grade jeweler and horological products you need to do the work you love.

Diamond Screener II Smart Wave

Presidium PDT Duo Tester-Identify Diamonds & Colored Stones

presidium gem indicator gemstone tester

Presidium Instruments Gem Tester II (PGT II) with Poland

Colored Gemstone Indicator

GEMSTONE DUO TESTER

Presidium Gem Tester PGT II Colored Gemstone Testers, 43% OFF

INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment INDUSTRIES MOST TRUSTED | Gemstone tester

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

Presidium Gemstone Dial Gauge

Presidium Gem Tester PGT II Colored Gemstone Testers, 43% OFF

Benchmark, Efficient presidium gemstone tester for Jewellers

Cape Precious Metals - Presidium Gem Tester