PRESIDIUM Diamond Portable Tester ARI
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Presidium ARI Diamond Tester Detector Type I or II or Moissanite

New Presidium Diamond Detector

!! Identifies colorless Diamonds from color  D to color J !!

€1,350.00 €1,350.00 (tax excl.)
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Presidium ARI ( 3D Animation) 

UV screening tool designed for gemmologists. Developed by Presidium to identify Diamonds TYP I or Typ II (natural or synthetics) and Moissanite.


  • User-safe UV Retractable Optical Probe activates only when tip is in contact with the diamond
  • Alert Buzzer for loss of contact between optical probe tip and diamond during testing
  • A 6-Language selection in the Graphic User Interface (GUI)
  • Battery operated with stylish ergonomic design for portability and ease of use
  • Tests on colourless diamonds and moissanites from D to J colour
  • Catered for both left-handed and right-handed users alike


  • Identifies colourless diamonds against Lab Grown CVD/HPHT diamonds and all types of moissanites, including the new “low conductivity” moissanites
  • Tests on loose or mounted diamonds in all jewelry settings, including closed-back setting
  • Replaceable Optical Probe tip technology for users to replace any worn or damaged probe tips yourself, minimizing any equipment downtime
  • Instantaneous results in 3 seconds for consecutive testing
  • Tests on polished diamonds and moissanites of all proportional cuts as small as 0.02ct


  • Power & Battery: 3 x AAA alkaline batteries (up to 4 hours of continuous usage) or AC adaptor
  • Standby time: 10 minutes from the last measurement

Recommended Operating Conditions

  • Operating Temperature: 18°C – 27°C (65°F – 80°F)
  • Storage Temperature: 10°C – 51°C (50°F – 124°F)
  • Air Relative Humidity: 35 – 65%

Dimensions & Weight

  • Length: 190mm (7.5 inches)
  • Width: 46mm (1.8 inches)
  • Height: 25mm (0.9 inches)
  • Weight (without batteries): 60g (0.13lb)
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