Presidium Gemstone Indicator

The Presidium Gemstone Indicator is simple to use, easy to maintain and quick in giving you intelligent results about your colored gemstones.

• Differentiates between diamonds and other colored gemstones 
• Tests up to 31 different types of gemstones 
• Patented refined changeable probe tip 
• Internal library database function of gemstones and their colors 
• USB connection to PC for more value-added functions