Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing
Benchmark, Efficient presidium gem tester for Jewellers
Presidium® Gem Tester
Presidium® Gem Tester II – ZAK JEWELRY TOOLS
PRESIDIUM GEM Tester II Colored Stones Diamond New Model
Presidium Gem Tester
Presidium Gem Tester | DIA-510.30
Presidium® Gem Tester II – ZAK JEWELRY TOOLS
Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing
Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation