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The Best Gemological Refractometers of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Gemological Refractometers of 2023. Check our ranking below.
2,864 Reviews Scanned
Rank No. #1
Gemological Gemstone Gem Refractometer Built-in Light
- Quality all metal construction
- Measurement range of 1.30 - 1.81
- Built-in LED light source with 3 x 1.5v batteries - included
- Considered by many to be the most important of all gem testing instruments
- Polarizing Filter, Hard and soft cases are included
Rank No. #2
Chelsea Filter, Dichroscope, Jewelers Loupe, Gemological Refractometer - Gem Identification Tools, Bundle 6 Items
- Chelsea Filter - now used to identify mostly any gemstone
- Dichroscope - invaluable for distinguishing certain stones from similar gems.
- 10x triplet jewelers loupe in black housing-one of the most important gemstone identification tools.
- Quality Gemological Refractomer with 10 grams of Certified RI. 1.80 Liquid included.
- BONUS - GEMSTONES OF THE WORLD book by Walter Schumann.
Rank No. #3
Redxiao 【𝐁𝐥𝐚𝐜𝐤 𝐅𝐫𝐢𝐝𝐚𝒚 𝐋𝐨𝒘𝐞𝐬𝐭 𝐏𝐫𝐢𝐜𝐞】 Jewelry Refractometer, RHG181 1.30-1.81 Professional Portable Gemological Gemstone Ldentification Gem Refractometer for Jeweler Watch
- 【Energy-Saving】--- This gemstone tester low battery consumption for long service time.
- 【Professional Refractometer】--- Specially designed for measuring the refractive index of gemstones and solid materials.
- 【Safe and Reliable】--- Gem refractometer approved by strict quality and safety standards for a long and trouble-free using.
- 【Light Weight and Portable】--- Jewelry refractometer is light weight and compact, easy to carry.
- 【Quick and Precise 】--- This refractometer features high accuracy and easy operation.A diamond tester can identify single and double gems quickly and precisely.
Rank No. #4
Jewelry Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer,Portable Jeweler Tester Tool, Gemological Gemstone Gem Refractometer
- WITH THE HELP OF CONTACT FLUID (RI FLUID) : An optical contact between glass and gemstone is made. Gem refractometer You can measure or test the refractive index of faceted stones, transparency or opacity, as well as their beauty, durability and scarcity
- PROFESSIONAL FUNCTION: Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.Professional Gemstone ldentification
- USER-FRIENDLY DESIGN: Refractometer gemstone with integrated light source you can use it in different environments. Gemological Gemstone Gem Refractometer, Automatic Temperature Compensation (ATC) that adjusts to the climate. Low battery consumption for long operating times
- PRODUCT DETAILS: Refractive index range between 1.30-1.81 RI, power supply is AA battery (not included). And size is 13 * 6 * 3.5cm / 5.1 * 2.4 * 1.4inch. Gem refractometer, Lightweight and compact, easy to transport
- SATISFACTION GUARANTEE: This refractometer is designed to measure the refractive index of gemstones and solid materials.If you have any questions about the product, do not hesitate to contact us or ask questions in QA, Rotekt will solve your problem as soon as possible
Rank No. #5
Rank No. #6
Gemological Gemstone Refractometer, Portable Gem Refractometer Kit with Light for Jewelry, 1.30 to 1.81ri
- 【Function】 The gem refractometer can quickly and accurately identify a variety of single and double gemstones, helping to identify diamonds, moissanite and more
- 【What You Get】 1 x Portable Gem Refractometer-1 x Flashlight-1 x Refractive Oil-1 x Box-1 x User Manual
- 【Widely Used】 Great for single and double gems, diamonds, moissanite and colored gems
- 【Design】 Mini size and compact, easy to carry anywhere and anytime. Clear display for easy reading
- 【Easy to Use】 The primary use of the portable gemstone refractometer is to measure the angle at which light is bent or refracted through the stone
Rank No. #8
ZHIRCEKE Digital Gem Refractometer Gemological Gemstone Refractometer Machine Gemstone Refractive Index Measuring Tool RHG181 1.30-1.81
- GOOD FEATURES: Lightweight and compact, easy to carry. The product is stable in performance and used by customers who say it is good
- HIGH QUALITY MATERIALS: Low battery consumption for long service time. Gem refractometer, using high refractive index lead glass as the test prism; measuring range: 1.30-1.81, accuracy: ±0.002
- APPLICATION FUNCTION: Identify single and double gems quickly and precisely. You will be very happy with the many uses to meet your needs
- HIGH PRECISION AND EASY OPERATION: Refractometer is highly accurate and easy to operate. Cost-effective, easy to operate without mistakes, is a stable diamond measuring instrument.
- SPECIALLY DESIGNED: Designed to measure the refractive index of gemstones and solid materials. Let you measure more accurately. Set design, more economical and cost-effective, save costs for your jewelry making work.
Rank No. #9
Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists
- ✿【SPECIALLY DESIGNED】Our Gem Refractometer, specially designed for measuring the refractive index of gemstones and solid materials. Approved by strict quality and safety standards for a long and trouble-free using.
- ✿【HIGH PRECISION】Our Jewelry Refractometer features high accuracy and easy operation. The refractometer is also one of the few instruments that can provide you with information on opaque gems and transparent gems.
- ✿【QUICKLY AND PRECISELY】Our Professional Refractometer identify single and double gems quickly and precisely. Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package and results in uniform and reliable results each time, with a clearly visible display for easy reading measurements.
- ✿【PROFESSIONAL AND PORTABLE】 Our Gemstone ldentification is Lightweight and compact, easy to carry. Low battery consumption for long service time. include: 1 * Refractometer, 1 * Electric Torch (Powered by 1 * AA battery which is NOT included)), 1 * English Manual, 1 * 3 ML Reflective Index Fluid.
- ✿【100% RISK FREE PURCHASE】Dear Friend, We offer 24-hour customer service and a 12-month satisfaction guarantee for a completely risk-free purchase and your suggestion will help us to improve products and provide more great products. If you have any questions about our products, please contact us by email with no hesitate and we will do our best to solve your problem.
Rank No. #10
01 Gem Refractometer 1.81 RI Gemstone Gemology Gemological Diamond Tool LED Light
- Identify single and double gems quickly and precisely.
- This refractometer features high accuracy and easy operation.
- Specially designed for measuring the refractive index of gemstones and solid materials.
- Low battery consumption for long service time.
- Lightweight and compact, easy to carry.
Rank No. #11
LED 1.3~1.81 RI Oil Light Gemological Gemology Gemstone Gem Refractometer TTG-181
- Each gem has a typical refractive index due to its chemical composition and crystallization structure
- The gem refractometer can be used to observe the optical properties and the structure of a gemstone
- Through the parameters you can judge whether the gem is an anisotropic or isotropic stone
- The stone needs a flat and polished facet. FULL SCALE Contact Liquid (RI Fluid) is also needed when testing.
- This Gem refractometer is a compact refractometer with built-in LED illumination for the determination of the refractive index (RI), quality and categories of gemstones.
Rank No. #12
Jewelers GEMOLOGICAL GEM Stone Refractometer with Flashlight New
- Gem Refractometer's primary use is to measure the angle at which light traveling through the stone is bent or refracted. The Gem Refractometer can also determine whether a stone is singly or doubly refractive. Flashlight included.
- Comes with Refractive Oil and LED Light
- LED Light screws into back of Refractorometer
Rank No. #14
ZHIRCEKE RHG181 1.30-1.81 Gem Refractometer - Jewelry Professional Gemstone ldentification Portable Gemological Gemelogy Tester Tool
- Designed to measure the refractive index of gemstones and solid materials.
- Quality all metal construction, Lightweight and compact, easy to carry.
- Refractometer is highly accurate and easy to operate.Polarizing Filter, Hard and soft cases are included
- Quickly and accurately identify single and double gems. by many to be the most important of all gem testing instruments
- Strict quality and safety standard certification, long-term trouble-free use.
Rank No. #15
HMWOKPOT RHG181 1.30-1.81 Jewelry Gem Refractometer, Portable Gemological Tester Tool Professional Gemstone ldentification Gem Refractometer
- WITH THE HELP OF CONTACT FLUID (RI FLUID) : An optical contact between glass and gemstone is made. Gem refractometer You can measure or test the refractive index of faceted stones, transparency or opacity, as well as their beauty, durability and scarcity
- PRODUCT DETAILS: Refractive index range between 1.30-1.81 RI, power supply is AA battery (not included). And size is 13 * 6 * 3.5cm / 5.1 * 2.4 * 1.4inch. Gem refractometer, Lightweight and compact, easy to transport
- HIGH QUALITY MATERIALS: Low battery consumption for long service time. Gem refractometer, using high refractive index lead glass as the test prism; measuring range: 1.30-1.81, accuracy: ±0.002
- HIGH PRECISION AND EASY OPERATION: Refractometer is highly accurate and easy to operate. Cost-effective, easy to operate without mistakes, is a stable diamond measuring instrument.
- SPECIALLY DESIGNED: Designed to measure the refractive index of gemstones and solid materials. Let you measure more accurately. Set design, more economical and cost-effective, save costs for your jewelry making work.
Rank No. #16
HMWOKPOT Professional Gem Refractometer - Jewelry RHG181 1.30-1.81, Jewelry Gemstone ldentification Gem Refractometer Portable Gemological Tester Tool
- WITH THE HELP OF CONTACT FLUID (RI FLUID) : An optical contact between glass and gemstone is made. Gem refractometer You can measure or test the refractive index of faceted stones, transparency or opacity, as well as their beauty, durability and scarcity
- PROFESSIONAL FUNCTION: Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.Professional Gemstone ldentification
- USER-FRIENDLY DESIGN: Refractometer gemstone with integrated light source you can use it in different environments. Gemological Gemstone Gem Refractometer, Automatic Temperature Compensation (ATC) that adjusts to the climate. Low battery consumption for long operating times
- PRODUCT DETAILS: Refractive index range between 1.30-1.81 RI, power supply is AA battery (not included). And size is 13 * 6 * 3.5cm / 5.1 * 2.4 * 1.4inch. Gem refractometer, Lightweight and compact, easy to transport
- HIGH PRECISION AND EASY OPERATION: Refractometer is highly accurate and easy to operate. Cost-effective, easy to operate without mistakes, is a stable diamond measuring instrument.
Rank No. #17
HMWOKPOT Jewelry Gemological Gem Refractometer, Portable Jewelry Diamond Tester Gemstone Selector Precision Tool RHG181 1.30-1.81
- HIGH PRECISION AND EASY OPERATION: Refractometer is highly accurate and easy to operate. Cost-effective, easy to operate without mistakes, is a stable diamond measuring instrument.
- MEASURING RANGE: Gem refractometer is a low-cost, lightweight measuring instrument used by jewelers and gem traders to measure polished gemstones with a refractive index ranging from 1.30 to 1.81 RI.
- SPECIALLY DESIGNED: Refractometer is designed to measure the refractive index of gemstones and solid materials. Many people think that gem refractometers are the most important of all gem test instruments. Primary use of a refractometer is to measure the angle at which light is bent or refracted through a stone.
- USER-FRIENDLY DESIGN: Refractometer gemstone with integrated light source you can use it in different environments. Automatic Temperature Compensation (ATC) that adjusts to the climate. Low battery consumption for long operating times
- EASY TO CARRY: RHG-181 gem refractometer is specially used to measure the refractive index of gems and solid materials. The size is about 12.8x6x3.2cm/5.04x2.36x1.26in.
Rank No. #18
HOWAY Gemological Gemstone Gem Refractometer Portable Gemstones Refractometer 1.30 to 1.81 Quick Identification High Accuracy Gemstones Refractometer Kit for Jewelry
- Quick Identification: The refractometer can quickly and accurately identify a variety of single and double gemstones, helping to identify diamonds, moissanite, etc.
- Strong Practicality: The primary use of the portable gemstones refractometer is to measure the angle at which light is bent or refracted through the stone.
- Specially Designed: This refractometer is specially designed to measure the refractive index of gemstones and materials.
- High Accuracy: Professional gemstones refractometer has high accuracy, small size, easy portability and easy operation.
- Clear Display: The jewelry gemstones refractometer has a clearly visible display for easy reading.
Rank No. #19
Gem Kit Set Gi-ks1 with Four Gemological Tools - Chelsea Filter, Dichroscope, Jewelers Loupe and Refractometer
- with four gemological tools - Chelsea Filter, Dichroscope, Jewelers Loupe and Refractometer
Rank No. #20
Accurately Identify with Portable Jewelry Refractometer - High Accuracy Identification Tool & Gemological Equipment Kit
- identification tool: Quickly and accurately identify single and double with this portable tester, helping to distinguish between,, and more.
- Jewelry refractometer: With a primary use of measuring the angle of light bending or refraction through stones, this gemological equipment offers strong practicality for jewelers and gemologists alike.
- Portable tester: This refractometer is specially designed for measuring the refractive index of and materials, making it a must-have for anyone in the jewelry or industry.
- High accuracy refractometer: Offering both high accuracy and easy portability, this professional refractometer is perfect for on-the-go tests and accurate measurements for all types of.
- Clear display: For easy reading, this jewelry refractometer has a clearly visible display, allowing you to quickly and accurately measure the properties of your.
Last update on 2023-07-31 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
How Do You Buy The Best Gemological Refractometers?
Do you get stressed out thinking about shopping for a great Gemological Refractometers? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Gemological Refractometers, which is why we have assembled a comprehensive list of the greatest Gemological Refractometers available in the current market. We’ve also come up with a list of questions that you probably have yourself.
We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Gemological Refractometers that you consider buying. Your questions might include the following:
- Is it worth buying an Gemological Refractometers?
- What benefits are there with buying an Gemological Refractometers?
- What factors deserve consideration when shopping for an effective Gemological Refractometers?
- Why is it crucial to invest in any Gemological Refractometers, much less the best one?
- Which Gemological Refractometers are good in the current market?
- Where can you find information like this about Gemological Refractometers?
We’re convinced that you likely have far more questions than just these regarding Gemological Refractometers, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.
Potential sources can include buying guides for Gemological Refractometers, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Gemological Refractometers. Make sure that you are only using trustworthy and credible websites and sources.
We provide an Gemological Refractometers buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Gemological Refractometers currently available on the market.
This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of Gemological Refractometers has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Gemological Refractometers?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Gemological Refractometers.
- Customer Ratings: Number ratings grade Gemological Refractometers objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Gemological Refractometers.
- Product Quality: You don’t always get what you pay for with an Gemological Refractometers, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Gemological Refractometers is should be an indication of how long it will work out for you.
We always remember that maintaining Gemological Refractometers information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
If you think that anything we present here regarding Gemological Refractometers is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.
FAQ:
Q: How are refractometers used to classify gemstones?
A: You can find our Gemstone Refractometers in the Gemmo-Shop. To classify and quality control gemstones, a refractometer is normally employed. The equipment measures the Refractive Index (RI) and Birefringence, by passing light through the stone, which refracts out at a defined and consistent angle.
Q: What is the refractive index of a gemstone?
A: A Gemological Refractometer is your primary and most powerful tool in gemstone identification. As with any typical critical angle refractometer, it will measure the Refractive Index of faceted stones, transparent to near opaque, whether loose or mounted (in many cases), up to an R. I. value of 1.81.
Q: What should the r.i.value of a refractometer be?
A: Your refractometer kit also includes a bottle of Refractive Index Liquid with a matching R.I. value of 1.81. To use the refractometer, open the lid, then place a small amount of R.I. fluid on the refractometer’s measuring glass using the bottle’s built-in dropper.
Q: What’s the accuracy of a glass refractometer?
A: They offer a measuring range of either 1.33-1.83 nD or 1.33-1.81 nD depending upon model selected, and have optical glass prisms, with accuracy to 0.01 nD and a resolution of 0.01 nD. This equipment is lightweight (at 0.4kg), and has an automatic multi-voltage power supply (110-220V).