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Gem ID

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  Presidium Gem Tester/Colored Stone Estimator II $239.00 $229.00 Add To Cart

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  GemOro PCT101 Precision Pocket Carat Scale $139.00 Add To Cart

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  Gem-n-Eye Digital Refractometer $449.00 $395.00 Add To Cart

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  Tanzanite Filter/Dichroscope $64.00 Add To Cart

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  Presidium Refractive Index Meter II $279.00 Add To Cart

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  Presidium Gem Computer Gauge $254.00 Add To Cart

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• 
  Presidium DuoTester II $389.00 Add To Cart

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• 
  Synthetic Emerald Filter $47.00 Add To Cart

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  Calcite Dichroscope $69.00 Add To Cart

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• 
  Large OPL Diffraction Spectroscope & Stand $295.00 Add To Cart

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  "The Works" Gem Filter Set $269.00 Add To Cart

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  Gem Refractometer $595.00 $539.00 Add To Cart

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• 
  Chelsea Filter $39.00 Add To Cart

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• 
  Synthetic Diamond Screener II $579.00 Add To Cart

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• 
  Presidium Gem Indicator $259.00 Add To Cart

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  Diamond Eye Reflectivity Meter $149.00 $95.00 Add To Cart

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• 
  Ruby/Aqua Filter Set $34.00 Add To Cart

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• 
  Gem Filter Set F-4000 $64.00 Add To Cart

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• 
  Hodgkinson Method Filter $39.00 Add To Cart

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• 
  Refractometer Lamp $74.00 Add To Cart

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