Presidium OTI All-In-One Diamond Tester ImpGen This SWS model (147

This SWS model (147

Registration at time of purchase is required

3 features a rectangular face measuring 1" x 3/8"

and more—with minimal cleanup

this tool is a trusted standard for jewelers performing acid-based precious metal testing

Presidium OTI All-In-One Diamond Tester ImpGen This SWS model (147The Presidium OTI All In One Diamond Tester combines dual optical and thermal testing technology into a single probe, delivering fast, reliable diamond authentication for professional jewelers and gemologists. This versatile instrument distinguishes natural diamonds from lab grown diamonds, moissanite, and common simulantsincluding glass, sapphire, and cubic zirconiawhether the stone is loose or mounted in any jewelry setting. With a resistive