Stone Testers

Stones testers often work with either a thermal probe, an electrical probe, or both, and are primarily used to identify whether a gemstone is a diamond or another material. Testers can be used on loose or set gems, and are quick and reliable – an important part of a gemmologist’s arsenal. Gemstones other than diamond can be tested and identified but the results must be applied with the appropriate gemmological knowledge, as many other stones have overlapping ranges for conductivity.

6 Items

per page
Set Descending Direction
  1. Gem-A Multi-Tester
    £192.00
    Available for online purchase soon. Call or email us to order your products now
  2. Gem-A Thermal Diamond Tester
    £84.00
    Available for online purchase soon. Call or email us to order your products now
  3. Presidium Coloured Gemstone Tester II
    £288.00
    Available for online purchase soon. Call or email us to order your products now
  4. Presidium Diamond Multi-Tester
    £294.00
    Available for online purchase soon. Call or email us to order your products now
  5. Presidium Synthetic Diamond Screener II (SDS II)
    £630.00
    Available for online purchase soon. Call or email us to order your products now
  6. SSEF Synthetic Diamond Spotter
    £570.00
    Available for online purchase soon. Call or email us to order your products now

6 Items

per page
Set Descending Direction