Presidium OTI All-In-One Diamond Tester ImpGen Long and short cable chain

Long and short cable chain style with straight links

and more—with minimal cleanup

This SWS model (147

15ct — 14K White Gold 3

Wipe tools clean after use and store them in the pouch to help protect the jaws and maintain smooth joint action

Presidium OTI All-In-One Diamond Tester ImpGen Long and short cable chainThe 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