What instruments does Aloha Estate Jewelry use to authenticate Gems?

Great question from one of our customers.  Simple answer is that we use a wide variety of instruments for testing and authentication, and which instrument is used separately or in combination with other instruments in testing a specific item depends on the item and the experience of the person performing the tests.  

In terms of which specific instruments does Aloha Estate Jewelry use in-house, here's a fairly inclusive listing:

• Magnification:
  • 10x, 15x, 30x loupes;
  • GIA Gem Instruments Model 793 microscope with dark field.

• Thermal Conductivity Testers:  
  • Presidium Gem Tester
  • Presidium Multi-Tester III
  • Presidium Gem Indicator
  • GemOro Ultra-Tester

• Refractive Index Testers:
  • Analog Refractive Index Tester
  • Presidium Digital Refractive Index Meter II

• Gemstone Analysis Tools
  • Dichroscope
  • Polariscope
  • Chelsea Filter

• Gemstone Measurement
  • A.D. Leveridge Millimeter Gauge and Estimator
  • Presidium Gem Computer Gauge (PGCG)
  • Digital Micrometer
  • Analog Micrometer
  • Analog Gemstone Weight Estimator Templates

• Light Wave Illumination
  • White Light - 5000-6500k
  • Yellow Light - 580 - 590nm
  • UV Light - 365nm and 395nm

• Precious Metals Purity Analysis
  • GemOro AuRACLE Pro Digital Gold & Platinum Tester
  • JSP Analog Acid Test Kit

• Specific Gravity Testing Set
  

• Miscellaneous:
  • Opal Bodytone & Brightness Scales
  • Colored Gem Color/Hue Estimation Guides
  • GIA Gemstone Grading Guides
  • ChatGPT, Claude, Grok for AI assisted Gemological Research