How to check a diamond? How to distinguish natural diamonds from artificial lab-grown diamonds or increasingly common simulants? How to protect yourself from attempts of deceive with artificial diamonds? The SmartPro Optimum I is a 3-in-1 multitester for checking and differentiating between moissanites, artificial CVD/HPHT diamonds, and natural diamonds. The diamond tester features a color LCD touch display that shows the test result after automatic diamond testing. The Optimum I can test both loose and set stones of almost any shape and cut. Use this simple as well as reliable possibility to protect yourself from deception attempts with simulants or artificial diamonds and convince your customers with professionalism and good equipment!