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Black Friday Doorbuster Cl-181 1.30 ~ 1.81 Ri Range Gemological Refractometer + Index Oil Flashlight Polarizing Lens Perfect Gift [tUAbx61g]

$20.99 $67.99 -69%

CL-181 Gemological Refractometer: Your Ultimate Gemstone Identification Tool Discover the power of precision with the CL-181 Gemological Refractometer, a versatile and affordable instrument designed for jewelers and gemstone traders. This compact dev

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CL-181 Gemological Refractometer: Your Ultimate Gemstone Identification Tool

Discover the power of precision with the CL-181 Gemological Refractometer, a versatile and affordable instrument designed for jewelers and gemstone traders. This compact device offers a wide refractive index range of 1.30 to 1.81 RI, making it an essential tool for accurate gemstone identification. With its unique design and low battery consumption, the CL-181 is portable and ready for use on the go. Key Features:
  • Quick and accurate identification of singly and doubly refractive gemstones
  • Low battery consumption for extended use
  • Approved by strict quality and safety standards for durability

Advanced Specifications and Comprehensive Set

The CL-181 Gemological Refractometer is equipped with a range of features that enhance its functionality and usability. Its precise measurement range and minimum graduation value of 0.01 RI ensure accurate readings. The set includes essential accessories such as a polarizing filter, monochromatic light filter, mini flashlight, and a storage box. Additionally, you'll receive a refractometer index reference list for 77 common gemstones, including Calcite, Jadeite, and Quartz. What's in the Set:
  • 1 x Gem Refractometer
  • 1 x Polarizing Filter
  • 1 x Monochromatic Light Filter
  • 1 x Mini Flashlight
  • 1 x 1.5V AAA Battery
  • 1 x Storage Box
  • 1 x Refractometer Index Reference List
  • 1 x Quick Start Guide

Practical Uses and Optional Add-ons

The CL-181 Gemological Refractometer is an invaluable tool for jewelers and gemstone enthusiasts alike. Whether you're a professional or a hobbyist, this device can help you identify and authenticate polished precious and semi-precious gemstones with ease. The optional 1.800 Refractive Index Oil is available for purchase separately, or you can contact us at sales(at)gainexpress.com to include it in your order. With the CL-181, you can trust in high-quality and accurate testing results, making it an indispensable addition to your gemstone identification toolkit. Why Choose the CL-181:
  • Guaranteed high-quality and accurate testing results
  • Brand new and unused for immediate use
  • Optional add-ons available for enhanced functionality

What Our Customers Say

December 31, 2025

Absolutely no complaints!

It’s a very clever and a very, very great tool.

- Olwen P..

December 31, 2025

Absolutely no complaints!

This is a very solid and a very, very, very nice product.

- Ifor U..

December 31, 2025

Absolutely no complaints!

A really good item. I really, really, really do love it.

- Harri I..

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