Presidium® Gem Tester II Colored Stones Diamond Testing Machine – SEP Tools

Presidium® Gem Tester II Colored Stones Diamond Testing Machine – SEP Tools

Specific Gravity Kit for your Carat Ccale

Presidium Electronic Gem Gemstone Diamond Tester PGT by Presidium

The industry’s most trusted colored gemstone tester is now redesigned to be more compact, sturdy and portable. In its second generation, the Presidium

NEW PRESIDIUM PGT II Gem Tester Colored Stones and Diamond Moissanite

Synthetic Diamond Screener II (SDS II) PRESIDIUM TESTER CVD HPHT MAN MADE STONE

A&A Jewelry Supply - Presidium Duo Tester II (PDT II)

I bought a presidium gem tester and you should too

Unlike a traditional refractometer, PRIM II is able to measure the range of RI value from 1.000 to ~3.000, therefore covering the commonly known gemstones in the market, including diamonds and moissanites. In addition, a fast and easy test can be done, without the inconvenience and messy usage of RI liquid. The new software enables the user to further eliminate the list of possible coloured gemstones by entering known values such as colour, hardness and S.G. value.

Presidium Electronic Refractive Index Meter II SID83BXNYS

Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation