Gemometrics GemPen® Diamond Screener Premium

Accurately determines whether stones are natural, synthetic or treated: diamonds, rubies, sapphires and emeralds.
Displays instant fluorescent effect on synthetic or simulant stones that takes advantage of USOF (Ultra Spectrum Optical Filtering) using filtered UV light to trigger the different intensities of fluorescence.

Specifications:

• Analyses hundreds of stones in just a few minutes
• Suitable for all sizes of stones: 0.01 to over 10.0 ct
• Suitable for raw, cut and set stones
• For natural, synthetic (CVD) and treated (HPHT) diamonds
• Filter n°1 included
• Easy to change filters
• Portable, battery operated, rechargeable on USB port
• Supplied with case
• Weight: 405 g