Standard Electronic Gem Tester (Presidium PGT II) Resolution_1g Not diamond (and not Moissanite)

Not diamond (and not Moissanite)

the sensor must be kept dust-free

specific gravity (relative density) method for testing m | Quicktest

you missed the stone and touched the setting)

This has a 2-pin plug so we include a 2-pin adaptor

Standard Electronic Gem Tester (Presidium PGT II) Resolution_1g Not diamond (and not Moissanite)DETAILS Thermal meter, tests for 17 common groups of gemstones (about 40 varieties), enlarge the product picture to see the scale in detail. Works with any stone, loose or mounted in jewellery, even uncut stones. The only condition is that the stone (and tester) must be at room temperature. Instruction manual (pdf download) Video (youtube demonstration) Video (youtube calibration for serial numbers PTG111425 and after. Guide to buying electronic gem