The OTi Diamond Tester by Presidium is designed for professional goldsmiths, jewelry designers, and workshops that require fast and reliable identification of colorless diamonds, laboratory-grown CVD/HPHT diamonds, moissanites, and simulants such as sapphire and cubic zirconia. The tester delivers accurate results within seconds, giving you full confidence in your daily work.

The multi tester is ideal for both loose and mounted stones and can handle stones as small as 0.06 carats. Its LCD display provides clear and easily readable results and can be set to different languages, making readings simple and efficient.

The OTi Diamond Tester is powered by 3 x AAA batteries for up to 1.5 hours of continuous use, or it can be connected to a power bank (not included), providing flexibility and mobility in professional workshops, at trade shows, or during client visits.

Why choose the OTi Multi Tester by Presidium:

• Reliable identification of colorless diamonds, laboratory-grown CVD/HPHT diamonds, moissanites, and simulants
• Suitable for both loose and mounted stones down to 0.06 carats
• LCD display with clear and fast results, language settings adapted to the user
• Can be powered by 3 x AAA batteries or connected to a power bank (not included)
• Fast and efficient testing – ideal for busy workshops and professional users

Dimensions: 105 x 70 x 25 mm
Weight: 60 g