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 a 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.