Testers & scales calibrated before despatch

Gem & precious metal testers, since 1986

Collections: Weighing scales for gemstones (± 0.01g)

0.01g is for gemstones (though not diamonds). Other applications:  chemicals (e.g. catalysts); powder (for ammunition); specific gravity (relative density) for testing gold; miniature aeroplane parts; anything that might have a value of a few hundred pounds per gram. Not sure about weights? - see our article about weighing.