Presidium OTI All-In-One Diamond Tester Prop 65 - Carbon sweat soldering

sweat soldering

All other grades are cadmium-free

The HMR-15 features two concave round faces that produce a distinctive

Round shape suitable for all sizes of round diamonds

Part # Item Description 121

Presidium OTI All-In-One Diamond Tester Prop 65 - Carbon sweat solderingThe 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