Gem Refractometer 1.30 – 1.81 RI Range with ATC separate light source

Due to the current situation of Sri Lanka, prices and stocks of the products will be changed frequently, therefore please contact us before placing an order. 0777123445 (WhatsApp)


Includes : 1X Gem Refractometer. | 1X flashlight | 1X refractive oil



Colombo City (01-15) 1 - 2 Days (COD Available)

Colombo & Suburbs 2 - 3 Days (COD Available)

Island Wide 3 - 9 Days (Card & Bank Only)


Professional Gem Refractometer 1.30-1.81 RI – Precision Gemstone Testing Tool

Unlock the true value of gemstones with the Gem Refractometer, the essential tool for gem enthusiasts and professionals in Sri Lanka. This precision instrument, designed to measure the refractive index of gemstones, is a must-have in your toolkit. With its wide RI range of 1.30 to 1.81, it can accurately assess most precious stones. The inclusion of an ATC (Automatic Temperature Compensation) and a separate light source ensures precise readings regardless of environmental conditions. Durable, portable, and built with high-quality materials, this refractometer stands as a testament to reliable craftsmanship. Whether you’re appraising, grading, or simply admiring your collection, the accuracy and ease of use offered by this tool make it unparalleled in the market. Embrace the sophistication of gem testing with a refractometer designed for excellence.

Gem Refractometer 1.30 – 1.81 RI Range with ATC separate light source Key Features:

  • Wide measuring range for diverse gemstone analysis
  • Automatic Temperature Compensation for environmental adaptability
  • Separate light source for clear readings
  • Compact and lightweight for field use
  • High-quality construction ensures longevity

Main Specifications:

  • Refractive Index Range: 1.30 – 1.81 RI
  • Precision: Minimum graduation value of 0.01 RI
  • Dimensions: 30 x 70 x 130mm
  • Origin: Mainland China

Practical Uses

For jewelers and gem collectors in Sri Lanka, the Gem Refractometer is not just a tool; it’s an essential part of their practice for ensuring the authenticity and quality of their precious gemstones. With its precise measurement range of 1.30 to 1.81 RI, it serves a crucial role in distinguishing real gemstones from synthetic counterparts. This is vital in a market where the provenance of a gem can significantly affect its value.

Beyond authenticity, the refractometer is used to gauge the quality of gemstones. By measuring the refractive index, professionals can assess the optical properties, which often indicate the presence of treatments or enhancements that could affect a gemstone’s desirability and worth. This level of detail is critical for proper valuation and can be a game-changer during appraisals or sales.

In the intricate world of gem cutting and jewelry design, the refractometer assists artisans in selecting the best stones for their work. Understanding a gemstone’s refractive index informs cutters on the optimal angles for faceting to maximize brilliance and fire, qualities that elevate a piece from ordinary to extraordinary.

Education and gemological research also benefit from this tool. It is integral in academic environments where students learn to identify and categorize gemstones. It facilitates a deeper understanding of gemology, allowing for exploration and discovery of lesser-known gems that could become the centerpieces of tomorrow’s heirlooms.

Moreover, the refractometer is pivotal in the fight against fraudulent practices in the gem market. By providing a means to verify a stone’s authenticity quickly, it helps to maintain integrity in the trade. Gem enthusiasts can invest in their collections confidently, knowing each piece’s quality is verified.

Work Potential with Item

Using the Gem Refractometer, one can determine the nature of gemstones, distinguish between similar-looking stones, and even identify unseen features that contribute to a gem’s unique characteristics.

Gem Refractometer 1.30 – 1.81 RI Range with ATC separate light source package includes :

1X Gem Refractometer.
1X flashlight
1X refractive oil

Gem Refractometer 1.30 - 1.81 RI Range with ATC separate light source Gem Refractometer 1.30 - 1.81 RI Range with ATC separate light source Gem Refractometer 1.30 - 1.81 RI Range with ATC separate light source


  • Please read our product description and watch the description videos carefully before you make an order.
  • Contact us via WhatsApp if you have any more questions
  • Images and colors may differ in appearance from the actual product. Please use our whatsapp to get current actual images.
  • We are deliver all of our products in Sri Lanka island wide. Also we do some fitting and setup solutions in Colombo area Please contact us for more information.

Measurement range

1.30-1.81 RI


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