Presidium - Gem Computer Gauge

$894.00 ex gst

Stock Locations

  • Online:
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  • Sydney Branch:
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  • Adelaide Branch:
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  • Perth Branch:
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Call 1300 852 999 for Availability


An advanced digital computer gauge that measures gemstone dimensions and can estimate gemstone weight and identity for 9 different cuts.

Presidium Gem Computer Gauge measures the dimensions and estimates the weight of loose and mounted gemstones with precision, speed, and ease.

It is the only gauge in the industry that is able to give direct estimation of the weight of various gemstone of a range of 9 popular cuts, giving users the convenience of not having to dismount their gemstones from its jewelry settings.

After entering the weight and the measurements of a gemstone, the Gem Computer Gauge is alternatively also able to be used to estimate the identity of the gemstone, by computing its S.G. value and referencing the internal stored database.

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.

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 CD and USB (Universal Serial Bus) connectivity

Attachment for high setting jewellery provided

Specific Gravity (S.G.) dictionary for quick and easy reference included

CD-ROM containing information on 133 gemstones (e.g., S.G. value, R.I. value and hardness) included

Size: 97 L x 61 W x 16mm High - 120g (without batteries)

Requires: 1 x 3V battery