Products – Gem Refractometers

CL-181 1.30 ~ 1.81 RI Range Gemological Refractometer + Index oil Flashlight Polarizing Lens

GR-601 2in1 Light Source Gem Refractometer Gemstone New Design 1.30~1.81 RI range

GR-701 Gem Refractometer (Silver) w/ Built-in Light Source + RI Oil

GR-701B 0.01 nD Scale Division Gem Refractometer w/ Built-in LED Light + RI Oil