Gem-eye I

Gem-eye I
Gem-eye I
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  • Load image into Gallery viewer, Gem-eye I

A remarkable designed Gemstone Tester with stone type estimator on a large display for smoothly and seamlessly testing of your precious stones. Integrated with a new auto-calibration feature for maintaining its testing accuracy.

The SmartPro Gem-Eye-I was developed to distinguish between diamond and its other simulants using the principles of thermal conductivity. It has been passed to our factory quality control to reach its reliable reading under proper use.

*Bluetooth Ready Device to connect on Smartpro Mobile App.

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Repair or Replace Guarantee

Gem-eye I
Gem-eye I
  • Load image into Gallery viewer, Gem-eye I
  • Load image into Gallery viewer, Gem-eye I


  • Auto-calibration before testing
  • High-efficiency gem tester
  • A retractable thermoelectric probe tip 
  • Industry’s thinnest probe tip (0.48mm) for testing stones as small as 0.01ct
  • LED light indicators
  • Bluetooth ready to connect on Smartpro mobile application
  • Metal alert LEDs with buzzer sound to ensure that probe tip is in contact with gemstone during testing
  • Easy-to-read large analog panel display
  • No waiting time between tests
  • Built-in diamond and simulant test discs for reference



  • Identifies types of common gemstones with metal detecting
  • Easy Auto Calibration
  • Simple and easy to use
  • Bluetooth Ready with Mobile App
  • Enhanced accuracy and consistency
  • Enhanced functionality and usability
  • Clear and readable analog panel display for ease of reading measurements
  • A portable tester that can be used anywhere


Power Source

  • 3 x AAA batteries 
  • SmartPro Power Adaptor


Optional Accessories

  • None (all are included in the package)

Dimensions and Weight

  • Length: 130 mm
  • Width: 100 mm
  • Height: 97 mm
  • Weight: 270 g


Included Accessories

  • SmartPro Gem-Eye I
  • Probe pen
  • AC adapter
  • User manual book
  • Warranty card
  • Protective carry case
  • Probe tip oxidation sheet
  • Stone Tray with round glass


Operating Conditions

  • Operating temperature: 18°C- 27°C (65°F- 80°F)
  • Storage temperature: 10°C- 50°C (50°F-122°F)


Technical Specifications

  • Weight: 295g
  • Body Color: Black
  • Power: 3 x AAA batteries or AC Adapter
  • Battery Life: Up to 2.5 hours of continuous use based on alkaline batteries
  • Standby Time: 5 mins from the last measurement
  • Analog Display size: 73.5 mm x 44.0 mm
  • Operating temperature: 18°C-27°C (65°F-80°F)
  • Storage temperature: 10°C- 50°C (50°F-122°F)