Presidium Diamond Tester Mate-A (PDMT-A)
Presidium Gem Indicator (PGI)
Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester
Presidium Gem Tester II PGT II Diamonds/Moissanites and Colored Gemstones
Presidium Multi Tester III (PMUT III)
Presidium PDT II Duo Tester Diamond Moissanite Gem Stone Jewelry
Presidium Tester Diamond Mate C(PDMT-C) Rechargeable
Replacement Tip for ARI by Presidium Diamond Screener
Sam by Presidium - Diamond and Moissanite Tester
Synthetic Diamond Screener II (SDS II) PRESIDIUM TESTER CVD HPHT MAN MADE STONE