Diamond and Gem Testers

Sorting Tray

Sorting Tray

Diamond parcel papers White-Blue

Diamond parcel papers White WE

Sorting Tray

Gemstone Display Boxes in Eco-leather case

Refractometer Fluid

Thickness Gauge

Ring illuminator

Presidium Stone Gauge

Presidium Diamond Mate Tester

Moissanite Tester II

High quality metal Polariscope

Gemological Microscope

Presidium Multi Tester III 

A pocket-sized instrument that instantly identifies diamonds and moissanites based on their thermal and electrical properties. 

PMuT III tests diamonds as small as 0.02ct.

Presidium Refractive Index Meter II

PRESIDIUM Gem Computer Gauge

Manual Refractometer

Presidium Gem Indicator

Presidium Synthetic Diamond Screener II (SDS II)

Help to screen out Type IIa diamonds likely to be laboratory-grown diamonds.    

Tests on diamonds within a range in dimension from 1.5 mm in width and up to 5 mm in height (approx. 0.02 to 10 carat size).

Tests on polished diamonds of popular cuts such as brilliant round cut, emerald cut, baguette cut, etc.    

Can be used on both loose and mounted diamonds (on jewelry with open-back setting).

For use on colorless diamonds from D Color down to J Color.

Microscope KONUS 5424