Best Digital Gemstone Refractometers In April 2025

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In this article, we will present the top 10 Best Digital Gemstone Refractometers available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!

To help you in your search, we have completed this list of the Best Digital Gemstone Refractometers.

Top Rated Best Digital Gemstone Refractometers Of 2025

Rank	Product Name	Score
1	Gemological Gemstone Gem Refractometer Built-in Light, Aluminum Body with Optic Lens Buy Now	9.7 Buy Now
2	Gemological Gemstone Gem Refractometer Built-in Light, Gem Refractometer Machine Gemstone Refractive Index Measuring Buy Now	9.5 Buy Now
3	Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer Buy Now	9.1 Buy Now
4	Neufday Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer Buy Now	8.8 Buy Now
5	Qiterr Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gemston Refractometer Buy Now	8.6 Buy Now
6	Gem Refractometer 1.30-1.81 RI Range Gemological Gemstone with LED Light Source Tools Buy Now	8.3 Buy Now
7	Gem Refractometer, Portable Jewelry Refractometer with Flashlight (Measuring Range: 1.3-1.81 RI), for Identification Buy Now	8.1 Buy Now
8	Ade Advanced Optics Digital/Electronic Gem Refractometer 1.4~3.0 Ri Gemological Gemstone Diamond Jewel Testing Buy Now	7.8 Buy Now
9	ZHFEISY Gemological Gemstone Gem Refractometer 1.30-1.81 Oil RI Built-in Light emological Gemstone Buy Now	7.5 Buy Now
10	Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Buy Now	7.2 Buy Now

1. Gemological Gemstone Gem Refractometer Built-in Light, Aluminum Body with Optic Lens

• Built-in led light source with 3 x 1.5v batteries.
• Considered by many to be the most important of all gem testing instruments.
• R.i oil is not included because express delivery prohibits the delivery of liquids.please purchase certified r.i. oil from reputable sources. please be aware that r.i. liquid is not included.
• Quality all metal constructionmeasurement range of 1.30 - 1.81.

2. Gemological Gemstone Gem Refractometer Built-in Light, Gem Refractometer Machine Gemstone Refractive

• 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
• Measurement range of 1.30 - 1.81
• Quality all metal construction
• Polarizing filter, hard and soft cases are included

3. Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer

• Identify single and double gems quickly and precisely.
• 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.
• This refractometer features high accuracy and easy operation.

4. Neufday Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer

• This refractometer features high accuracy and easy operation.
• Identify single and double gems quickly and precisely.
• Lightweight and compact, easy to carry.
• Low battery consumption for long service time.
• Specially designed for measuring the refractive index of gemstones and solid materials.

5. Qiterr Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gemston

• Characteristics this refractometer features high accuracy and easy operation. low battery consumption for long service time.
• Designed specially designed for measuring the refractive index of gemstones and solid materials.
• Good effects approved by strict quality and safety standards for a long and trouble-free using.
• Easy to use lightweight and compact, easy to carry.
• Multi-function identify single and double gems quickly and precisely.

6. Gem Refractometer 1.30-1.81 RI Range Gemological Gemstone with LED Light Source Tools

• The refractometer is highly accurate and easy to operate.
• Strict quality and safety standard certification, long-term trouble-free use.
• Quickly and accurately identify single and double gems.
• Lightweight and compact, easy to carry.
• Designed to measure the refractive index of gemstones and solid materials.

7. Gem Refractometer, Portable Jewelry Refractometer with Flashlight (Measuring Range: 1.3-1.81 RI),

• Lightweight and compact, easy to carry.
• Low battery consumption for long service time.
• This refractometer features high accuracy and easy operation.
• Specially designed for measuring the refractive index of gemstones and solid materials.
• Identify single and double gems quickly and precisely.

8. Ade Advanced Optics Digital/Electronic Gem Refractometer 1.4~3.0 Ri Gemological Gemstone Diamond

• Separate diamonds, moissanites and other colored gemstones via its refractive index
• Item weight: approx. 339g. item size: approx. 105 x 60 x 35 mm
• Power source: 1 x 9v battery. working temperature: 10 ~ 28c (50 ~ 82.4f). gemstone must have a at lease 0.11 inch (3mm) well polished flat surface for accurate result
• Wide measuring range: 1.400 ~ 3.000 ri, high accuracy: 0.007 ri
• No refractometer oil needed, read instant results on lcd

9. ZHFEISY Gemological Gemstone Gem Refractometer 1.30-1.81 Oil RI Built-in Light emological Gemstone

• Lightweight and compact, easy to carry.
• Strict quality and safety standard certification, long-term trouble-free use.
• Quickly and accurately identify single and double gems.
• The refractometer is highly accurate and easy to operate.
• Designed to measure the refractive index of gemstones and solid materials.

10. Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification

• 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 purchasedear 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.
• Specially designedour 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.
• Quickly and preciselyour 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.
• High precisionour 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.