Presidium OTI All-In-One Diamond Tester ImpGen Registration at time of purchase

Registration at time of purchase is required

and more—with minimal cleanup

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

This SWS model (147

Platinum version is 95% platinum

Presidium OTI All-In-One Diamond Tester ImpGen Registration at time of purchaseThe 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