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Item #:
99847953
Gem Refractometer , RHG181 1 . 30 to 1 . 81 Professional Gemstone ldentification Portable Gem Refractometer for Jewelry Gold Silver for Portable Lab
Item #:
99847953
AUD 176
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Imported from USA store
QTY:
Order now and get it around Saturday, August 29
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Our refractometer is highly accurate, lightweight, and compact, making it easy to carry and operate.
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What Stands Out
Precision Measurement
Accurately measures refractive index between 1.30 to 1.81, ensuring reliable gemstone identification for professionals and enthusiasts alike.
Portable Design
Lightweight and compact, this refractometer is perfect for on-the-go gem testing, making it an essential tool for jewelers and gemologists.
Versatile Use
Ideal for testing various gemstones, gold, and silver, enhancing its value as a multifunctional tool in the jewelry industry.
Product Details
Who Should Buy?
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Jewelry Professionals
Ideal for jewelers needing precise identification of gemstones including diamonds, sapphires, and emeralds.
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Gemstone Enthusiasts
Great for hobbyists wanting to analyze and understand various gemstones through refractive index measurements.
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Portable Lab Users
Perfect for scientists or educators requiring convenient field testing with a mobile refractometer.
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Casual Users
Not suitable for casual users who simply want aesthetic rather than scientific assessment of gemstones.
Product Description
Gem Refractometer , RHG181 1 . 30 to 1 . 81 Professional Gemstone ldentification Portable Gem Refractometer for Jewelry Gold Silver for Portable Lab Refractometers
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a Gem Refractometer and how does it work?
Answer: A Gem Refractometer is an optical instrument used to measure the refractive index of gemstones, which is crucial for their identification. It works by comparing the angle of light entering the gemstone against a specific refractive index scale. This allows jewelers and gemologists to determine the type of gemstone accurately. For instance, in a practical scenario, if a gemologist is evaluating a stone suspected to be a diamond, they can quickly assess its refractive index to confirm its authenticity. -
Question:
What is the refractive index range of the RHG181 Gem Refractometer?
Answer: The RHG181 Gem Refractometer operates within the refractive index range of 1.30 to 1.81, making it suitable for identifying a wide variety of gemstones. This range covers many common stones, from quartz to high-refractive gemstones like sapphire and ruby. For gem enthusiasts or professionals working with diverse gemstones, this refractive index range offers flexibility and precision, allowing them to confidently identify gems in various jewelry pieces. -
Question:
Is the RHG181 Gem Refractometer portable?
Answer: Yes, the RHG181 is designed to be portable, making it an ideal choice for gemologists who travel for work or those who need to conduct gemstone evaluations on-site. Its compact size allows it to fit easily in a bag or tool kit. Whether you're attending a gem show or analyzing stones in a retail environment, this portability ensures that you can carry out gemstone identification wherever necessary without compromising on functionality. -
Question:
Who can benefit from using the RHG181 Gem Refractometer?
Answer: The RHG181 Gem Refractometer is beneficial for jewelers, gemologists, and even hobbyists interested in gemstone identification. Professionals can use it to distinguish between genuine and synthetic stones, while hobbyists can deepen their understanding of gemstones. For example, a jeweler assessing a mixed collection of stones can quickly and accurately identify valuable pieces, enhancing their expertise and service offering to clients. -
Question:
What materials can be analyzed with the RHG181 Gem Refractometer?
Answer: The RHG181 can analyze a variety of materials including precious stones like diamonds, sapphires, and rubies, as well as semi-precious stones. Its versatile design allows for effective evaluation of both natural and synthetic gemstones. In practice, a gem collector could use this refractometer to verify the authenticity of rare gemstones in their collection, enhancing their confidence in their investments. -
Question:
How do you calibrate the RHG181 Gem Refractometer?
Answer: Calibrating the RHG181 Gem Refractometer involves using a calibration liquid with a known refractive index, usually provided with the device. Simply place the calibration liquid on the refractometer's prism and rotate the eyepiece until the readings align with the specified index. Regular calibration is essential for ensuring accuracy of readings, especially if the device is used frequently. This process ensures every gemstone evaluation is reliable, which is critical for professionals in gemstone appraisals. -
Question:
Can the RHG181 Gem Refractometer be used for recreational purposes?
Answer: Absolutely! The RHG181 Gem Refractometer is also suitable for gemstone enthusiasts and collectors who want to identify and learn about various stones in their collection. Using it recreationally allows users to deepen their understanding of mineral properties and develop a discerning eye for quality gemstones. Imagine a gem lover analyzing their recent finds from a local market, gaining insights into the nature of their treasures with this tool. -
Question:
What should I look for when using the RHG181 Gem Refractometer?
Answer: When using the RHG181, focus on both the clarity of the readings and the quality of the gemstone surface being analyzed. Clean the gemstone thoroughly to avoid any residue distortion in the refractive index reading. Look for clear sharp lines to ensure accurate measurement. This attention to detail is crucial, as it directly impacts the identification process. For instance, misreading due to a dirty stone can lead to incorrect results, affecting gem valuations or appraisals. -
Question:
How does the RHG181 compare to other gem refractometers?
Answer: The RHG181 distinguishes itself with its precise refractive index range and portability, making it a preferred choice among professionals compared to other models that may lack these features. Its compact design does not sacrifice reliability or accuracy, which are crucial for gemstone identification. This makes it a versatile tool suitable for both fieldwork and laboratory settings, unlike larger, stationary models that may be cumbersome to transport. -
Question:
Where can I buy the Gem Refractometer, RHG181 in Australia?
Answer: You can purchase the Gem Refractometer, RHG181 from Ubuy, a reliable online platform that offers a wide range of professional tools and equipment. Ubuy ensures you receive quality products and excellent customer service, making your shopping experience smooth and satisfying. By choosing Ubuy, you can explore various other professional tools while conveniently adding this refractometer to your cart for all your gemstone analysis needs.
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Pros
- Easy to use for beginners
- Portable and lightweight design
- Accurate gemstone identification
- Durable materials for longevity
- Clear display for readings
Cons
- Calibration can be tricky initially.
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“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
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AUD 176
Order now and get it around Saturday, August 29
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Features & Benefits
- Accurate gemstone recognition across various types.
- Portable and easy to use for on-the-go identification.
- Includes 3ml Reflective Index Fluid for comprehensive testing.
- Quickly identifies both single and double gems, including diamonds.
- No need for RI liquids, uniform results with clear readings.
- Excellent after-sales service dedicated to customer satisfaction.
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