Crucible

Presidium Scale
The Presidium Carat Scale is the latest innovation...

Gem Guage Model : PGCG
Another premium product from Presidium Instruments....

Gem Guage Model : PDG
Speed up your diamond and weight estimating with...

Gem Guage Model : PEGG
Speed up your diamond and gemstone measuring...

Diamond Mate-A
Professional, compact, sleek penlike instrument. Digital...

Multi tester
The Presidium Multi Tester (PMuT) utilizes the...

Duo tester
The PRESIDIUM DUOTESTER is the only tool on the market...

Diamond Fact
A professional top of the line tester. Instantly...