Presidium Duo Tester II Diamond & Gemstone Tester 100 x 100mm cardboard cutting or removing silicone

cardboard cutting or removing silicone

Red (Ø17mm)

Lacquer Remover

and 1 handle

Presidium Duo Tester II Diamond & Gemstone Tester 100 x 100mm cardboard cutting or removing siliconePresidium Duo Tester II (PDT II) is the only comprehensive tool on the market that combines two proven testing methods for gemstones. PDT II differentiates diamonds from their simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can also be generally tested with the PDT II. The Presidium Duo Tester II comes with a probe pen that has a retractable probe tip, which ensures consistent pressure against the gemstone