JXKJ-RONG Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone ldentification Measure Refractive Index Gems Value
- Helps to identify diamonds, moissanites, and colored gemstones.
- Continual elimination of the possible gemstones through values such as via R.I., Color, Hardness and S.G..
- Tests on transparent gemstones, with flat polished surface, Ideal for separation of gemstones.
- Speed up on the identification of gemstones in parcel, RI liquid not required.
- Consistent and reliable results every time, Clear and visible display for ease of reading measurements.