Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller effectively giving you the service

effectively giving you the service life of two laps in one unit

as the shape becomes rigid

apply pressure from above and below—not from the sides—to properly seat each joint

Complete 57-piece kit covering full polishing workflows: cutting

Corrected for chromatic aberrations — true color rendering without edge color fringing

Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller effectively giving you the serviceThe Presidium PDT Duo Tester combines two distinct testing methods into a single professional instrument, giving jewelers and gemologists the tools needed to accurately identify diamonds, diamond simulants including synthetic moissanite and popular colored gemstones. Unlike a standard thermal tester alone, this unit simultaneously performs both thermal conductivity testing and digital reflectivity measurement through a single probe at the press of one