Presidium Gemstone Computer Gauge

Presidium Gem Computer Gauge (PGCG) is the only gauge in the industry that can give a direct estimation of the weight of various gemstones of a range of 9 popular cuts, giving users the convenience of not having to dismount their gemstones from its jewellery settings.

A convenient digital gauge that measures actual gemstone dimensions and estimates gemstone weight and identity.

An advanced intelligent digital gauge that measures gemstone dimensions up to 1/100mm and can estimate gemstone weight and identify 9 different cuts.

Presidium Gem computer Gauge measures the dimensions and estimates the weight of loose and mounted gemstones with precision, speed, and ease. after entering the weight and the measurements of a gemstone, PGCG narrows its identity by computing its S.G. value.

With PGCG's computer interfacing, gemstone measurement records can be easily imported and printed. PGCG also comes with a CD-Rom that lists the S.G. value, R.I. value, and hardness measurements of 133 common gemstones in the market for handy reference. 

One of the many plusses is the Presidium PC Software. With PGCG’s computer interfacing, gemstone measurement records can be easily imported and printed. PGCG also comes with software that lists the S.G. value, R.I. value, and hardness measurements of 133 common gemstones in the market.

• Measures from 0.0 to 25.0mm
• Accuracy: 0.01mm / Tolerance: 0.02mm
• Digital mm/ct display
• Automatically shut off when idle for 10 minutes
• Auto-magnetic shut-off when placed in carrying case
• Computer interface display with USB (Universal Serial Bus) connectivity
• Attachment for high setting jewellery provided
• Specific Gravity (S.G.) dictionary for quick and easy reference included

• Can be used to give direct carat conversion on different types of gemstones of a range of 9 different popular cuts
• Direct carat conversion for round brilliant-cut diamonds
• No need for dismounting the gemstone to weigh its carat weight
• Measures actual gemstone dimensions and estimates gemstone weight and identity
• Able to estimate the identity of 74 different gemstones
• Accurate measurement to 2 decimal places/0.01mm
• Clear and visible display for ease of reading measurements
• Light and portable instrument that can be used anywhere
• PC connectivity for ease of importing and printing measurement results