Are you trying to find digital gemstone refractometers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling digital gemstone refractometers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 27 hours of research and did 33 digital gemstone refractometers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best digital gemstone refractometers you can buy today
- 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. Good quality is our goal. Only high quality can satisfy customers' satisfaction. Customer satisfaction is our driving force
- APPLICATION FUNCTION: Identify single and double gems quickly and precisely. You will be very happy with the many uses to meet your needs
- DESIGN CONCEPT: Specially designed for measuring the refractive index of gemstones and solid materials. The minimalist design style makes it very suitable for use
- OUTSTANDING ADVANTAGES: This refractometer features high accuracy and easy operation. Considered by many to be the most important of all gem testing instruments
- ✔ Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones.
- ✔ Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones.
- ✔ This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI.
- ✔ The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial).
- ✔ In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face.
- ❤ Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones.
- ❤ Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones.
- ❤ This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI.
- ❤ The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial).
- ❤ In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face.
- 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.
- 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.
- 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
- Compact and 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. It is characterized by its compactness and lightness, and is very popular in the jewelry industry.
- 【Refractometer for Gemstones】: Professional Gem Refractometer is specially designed for measuring the refractive index of gemstones and solid materials, measurement range of 1.30-1.81 RI
- 【Quick and Accurate Gem Measuting】: This gemstone refractometer features high accuracy and easy operation, identify single and double gems quickly and precisely, can be used to identify diamonds, moissanite and colored gems
- 【What You Get】: This kit includes 1 x Refractometer, 1 x Electric Torch (Powered by 1 * AA battery which is NOT included)), 1 x 3 ML Reflective Index Fluid, 1 x Manual. Ideal gem identification tool for pro and novice
- 【】: Approved by strict quality and safety standards for a long and trouble-free using; construction, low battery consumption for long service time
- 【Compact and Portable】: Jewelry refractometer is lightweight and compact, measures approximately 5.1 by 2.4 by 1.4, easy to carry. If you have any problem about our gemstone identification tool, please do not hesitate to contact us
- Specially Designed: This 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. The primary use of a refractometer is to measure the angle at which light is bent or refracted through a stone.
- High Precision, Compact and Easy to Carry: The refractometer is highly accurate and easy to operate. Lightweight and compact, it is easy to carry. It provides important gemstone recognition as it differs from gemstones to gemstones. The refractometer is also one of the few instruments that can provide you with information on opaque gems and transparent gems.
- Reflective Index Fluid: The possible gems continue to be eliminated by values such as R.I., Color, Hardness and S.G. The transparent gemstone is tested and the surface is polished flat, The kit contains 3ml Reflective Index Fluid. My bottle is relatively large and looks like half of the liquid. You can actually measure it! If there is a shortage, you can contact our customer service! If Reflective Index Fluid needs to be supplemented, you can search B0B9W71HGL in our store to buy
- Quick Identification: Quickly and accurately identify single and double gems. Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package, does not require RI liquids, and results in uniform and reliable results each time, with a clearly visible display for easy reading measurements.
- Perfect After-Sales Service: We are committed to serving our customers wholeheartedly. Your feedback is the driving force for our improvement. We look forward to your comments. If you have any questions about our products, please feel free to contact us. We will do our best to meet your requirements and solve your problems quickly and efficiently.
- Anbachi digital refractometer is a professional urea concentration tester, it can let you measure the urea content in your diesel exhaust fluid or adblue quickly and accurately, making your vehicle emission more eco-friendly and more cost-effective.
- Whether you make your own urea solution or buy it from outside, you can use Anbachi digital refractometer to check its quality, avoid being harmed by inferior products, and protect your vehicle and wallet.
- Anbachi digital refractometer is easy to use, just drop a drop of solution on the device, press a button, and you can see the urea concentration value on the screen, without any complicated calculations or calibration.
- Anbachi digital refractometer is small in size, light in weight, convenient to carry and store, it will not take up your car space, nor will it add burden to you.
- Anbachi digital refractometer is a high-quality product, it uses high-quality materials and advanced technology, has high accuracy and durability, can work stably for a long time, and provide you with reliable service.
- 【Professional Design】This refractometer is specially designed to measure the refractive index of gemstones and solid materials. The minimalist design style makes it very suitable for use.Considered by many to be the most important of all gem testing instruments.
- 【High Quality】Quality all metal construction, low battery consumption can be used for a long time.Approved by strict quality and safety standards and is trouble-free to use.
- 【Package Contents】Built-in LED flashlight, 30x jewelers loupe in silver housing, one of the most important gemstone identification tools.Quality gemological refractometer with a bottle of 3ML jewelry identification special refraction oil.
- 【Product Advantages】The refractometer is stable in performance, High precision and easy operation, lightweight and compact, easy to transport and carry.
- 【Professional Functions】Identify single and double gems quickly and precisely.Measurement range of 1.30 - 1.81.Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package.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.
- 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
- 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
- Temperature&Sugar Content: Test range 0-35%; precision ±0.2%; resolution 0.1%, perfect for Fruits,Juices,Vegetables,Drinks and Coffee...
- Rugged and Durable: Dust, drop, and IP65 water resistant, easy to clean
- LCD Backlit Screen & Quickly Get Data: Datas will be displayed on the Screen in 5s after u drop in the test sample
- Auto Temp Compensation: 10-40°C, test datas will be more accurate
- What's in the box: 1x Q6 Digital Brix Refractometer, 3x AAA Batteries, 1x User Manual. Contact us with any questions or concerns
- 【Gem Tester】Diamond tester is the main tool for measuring gemstones. Jewelry tester can measure the refractive index value of gemstones non-destructively, accurately and quickly.
- 【Features】Low battery consumption for long service time. This gem refractometer features high accuracy and easy operation. Refractive Index Range: 1.30-1.81 RI, refractive Index: 0.01.
- 【Portable Design】Gem tester size is approx. 13× 6 ×3.5cm/5.1× 2.4×1.4inch, 721g Weight, very lightweight and compact, easy to carry.
- 【Notice】The light source for measurement should be bright and uniform for easy observation. After using the jewelry tester, please place it in a dry place to prevent moisture from affecting the accuracy of the measurement.
- 【Package Contents】Gem tester includes 1 x Refractometer, 1 x Electric Torch (Powered by 1 * AA battery which is NOT included),1 x English Manual,1 x 3 ML Reflective Index Fluid.
- 【Professional Jewelry Refractometer】This refractometer is designed to measure the refractive index of gemstones and solid materials. Many consider gem refractometers to be the most important of all gem testing instruments. The main purpose of a refractometer is to measure the angle at which light is bent or refracted by a stone
- 【Portable Refractometer】The refractometer is very accurate and can help identify the authenticity and type of gemstones. Due to its light weight and compact structure, the refractometer is very portable and can be conveniently taken anywhere. Refractometers are a very useful tool for gemologists and jewelers
- 【Quick Identification Results】Jewelry refractometers can quickly and accurately identify single and double gemstones. Professional refractometers help users identify diamonds, moissanite and colored gemstones. It provides uniform and reliable results and is equipped with a clearly visible display for easy reading of measurement results
- 【Reflective Index Liquid】This refractometer has the characteristics of high precision and convenient operation. Low battery consumption, long lifespan. Possible stones are continuously ruled out by values such as R.I., Color, Hardness and S.G. Tested on clear stones and polished flat, kit contains 3ml reflective index fluid
- 【Perfect After-Sales Service】We strive to provide high-quality and convenient services. We attach great importance to your opinions and feedback, and hope to continuously improve our products and services to bring you a better experience. Thank you for supporting us! If you have any other questions, please feel free to contact us
- Multifunctional Design: Unlike traditional refractometers, with DiFluid digital refractometer you can measure the sugar content of fruits, juices and liquids, and salinity, brewing, urea, easier and faster.
- High Precision: Our sugar brix refractometer delivers high precision measurements within seconds, featuring test range of 55%, precision +/- 0.01%, and resolution of +/-0.05%.
- Digital OLED Display: DiFluid refractometer features a large OLED display that ensures easy-reading but also indicates other useful information such as brix levels, battery level, temperature or refraction index.
- User-Friendly Design: The brix meter refractometer is compact and easy to operate but also intuitive,it allows you to save and share the data on your DiFluid app. The rechargeable design ensures fast charging in 1 hour that will last up to 30 days (not continuous use).
- Wide Range of Applications: The DiFluid digital refractometer is IP67 waterproof, drop-resistant and can be used by producers, employees or analysts to test the sugar level of fruits, foods, liquids, beverages, and vegetables, salinity, brewing, urea.TIPS: kindly make sure that it is calibrated before measurement.
- 【Language switching】Press and hold the zero key while turning on the computer to switch between Chinese and English interfaces 【Widely used】Measure the sugar content of fruit, juice and beverage； 【Wide measuring range】0-55%Brix； 【Resolution】0.1%Brix
- 【3 in 1】One screen and three displays. The instrument can measure temperature, Brix and refractive index.
- 【Temperature compensation】10-40 ℃ automatic temperature compensation, 10 ℃ for temperature compensation below 10 ℃, and 40 ℃ for temperature compensation above 40 ℃
- 【Waterproof】The instrument can flush the sample tank with water, but it cannot be immersed in water for a long time
- 【Zero-setting】Measure whether the clean water or pure water is 0.0% before using, and if it is not 0.0%，it will be zeroed first. 【Easy to use】Keep about 1 mm between dripped water or pure water and the top of the measuring slot, and the capacity is about0.3 ml.Press the"MEAS" key to display the value.
- 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
- 【Introduction of Gemstone Refractometer】Refractometer is the main tool for gemologists and jewelers to identify gemstones, and it is an important gemstone refractometer tool to identify gemstone species. The gemological refractometer can measure the refractive index of gemstones quickly and without damage.
- 【Jewelry Gemstone Identification Tool】The refractometer is easy to operate. It can measure or test the refractive index, transparency or opacity of faceted gemstones and help you easily identify the advantages and disadvantages of jewelry.
- 【High Quality Material】The gemstone refractometer made of high quality ABS material, low battery consumption, sturdy structure can support long service life, lightweight and compact, easy to carry.
- 【Application】This refractometer features high accuracy and easy operation. Identify single and double gemstones quickly and accurately. Specially designed for measuring the refractive index of gemstones and solid materials.
- 【After-sales Service】We will undergo strict inspection before delivery and you can rest assured to buy and use. If you dissatisfied of our Gemston Refractometer, please contact us at any time online, we will try our best to help you solve any problems.
- TRI-SCALE MEASUREMENT: measure and test urine specific gravity, plasma or serum protein, and refractive index for Human.
- MEASURING RANGE: Serum protein: 0 ~ 12 g/100 ml ; Urine specific gravity: 1.000 ~ 1.050 ; Refractive index: 1.333 ~ 1.360 RI
- ATC Compensation Range (Built-in Automatic Temperature Compensation System) from 10~30°C.
- ALUMINUM BODY MATERIAL: Made of aluminum, Cushioned w/ soft and comfortable non-slip rubberized grip, insulate test solution from body heat.Adjustable focus, clear, large and easy-to-read measurements
- QUICK MEASURING: Place a few drops of the liquid on the optical part of the refractometer, cover the prism and you will be able to read the result value on the scale.
- Suit for: The refractive index fluid is gemologist tool for identifying refractive index.
- Main Function: This liquid can also be used to reduce or eliminate glare from a gem's surface.
- Convenient to Store: Compact in size and light in weight. The product allows your refractometer to measure within the measuring range of 1.30 to 1.80 refractive index.
- Universal: Perfect for testing all of your gem stones.
- Packing: This GL-01 fluid is packed and will be supplied in an glass vial and contains 3ml of solution.
- Salt Salinity Refractometer With ATC - Dual Scale 0% - 10% & 1.0 to 1.070 S.G. Dual Scale Gravity Hydrometer. Designed for the safety transportation purpose, the very 1st open of the product case might be tight. Used for Seawater, Reef Aquarium, Kitchen use etc.
- Reading Scale 0-100 ppt : Our optical refractometer has scales ranged from 0 - 100 ppt (0 - 10 %). The reading resolution is 1 ppt. It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions. The second scale is for reading of the salt solution density ranged from 1.000 to 1.070 g/cm3 (resolution 0.001 g/cm3). For Reference of solutions: 1.Fresh water < 0.5 ppt 2.Brackish water -- 0.5 to 30 ppt 3.Seawater -- 30 to 50 ppt 4.Brine -- 50 ppt
- Measurement is easy: Place a few drops of the liquid on the optical part of the refractometer, cover the prism, and the liquid will spread more easily over the prism, look throught the eyepiece against the light and you will be able to read the result value on the scale. 10℃~30℃ / 50F ~ 86 F. For temperature beyond this range, please calibrate before use.
- Includes: a firm plastic case, 1x refractometer ,1x cleaning cloth, 1x suction tube, 1x screw driver, 1x operating instructions
- 1 Years Warranty by simply contacting us via Amazon purchase history
How to choose a good digital gemstone refractometers
Does the idea of finding a fantastic digital gemstone refractometers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in digital gemstone refractometers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top digital gemstone refractometers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top digital gemstone refractometers on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top digital gemstone refractometers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top digital gemstone refractometers based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the digital gemstone refractometers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good digital gemstone refractometers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your digital gemstone refractometers.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting digital gemstone refractometers for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our digital gemstone refractometers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what digital gemstone refractometers should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on digital gemstone refractometers.
