External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA Tools
genuine image
External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA Tools
Gemstone refractometer is the primary and most powerful tool in identifying and authenticating polished precious and semi-precious gemstones
External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA Tools
Item #: 11834062

External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA Tools

Item #: 11834062

GBP 149

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Monday, August 03
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Gemstone refractometer is the primary and most powerful tool in identifying and authenticating polished precious and semi-precious gemstones
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Precision Measurement
This refractometer ensures accurate gemstone refractive index readings, essential for gemologists, enhancing the evaluation process and ensuring high-quality assessments.
Durable Design
Crafted with robust materials, this tool offers longevity and reliability, making it a dependable choice for professionals handling various gemstones with confidence.
Complete Set
Includes +1.80 RI Oil, providing everything needed for immediate use, making it a convenient solution for gemological professionals looking to streamline their workflow.

Product Details

Find the best quality 1.80 RI Oil Gemological Refractometer. GIA Tools available at Ubuy Jersey. Shop now for the best deals and offers.
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Gemologists

    Ideal for gemologists who need accurate refractive index measurements for professional evaluations and identifications.

  • Jewelry Appraisers

    Useful for professional appraisers assessing the quality and authenticity of gemstones during valuations.

  • Hobbyist Collectors

    Perfect for serious gem enthusiasts wanting to explore gemstone properties and improve their collection knowledge.

Not Suitable For
  • Beginners

    Not suitable for beginners lacking the knowledge and skills to use advanced gemological equipment effectively.

Product Description

External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA Tools

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of a Gem Refractometer?

    Answer: A Gem Refractometer is an essential tool used by gemologists to measure the refractive index of gemstones. By shining light through a stone, it helps identify gems based on their unique optical properties. This is particularly useful in distinguishing between similar-looking stones, enabling accurate identification and grading. For example, it can differentiate between diamonds and cubic zirconia, which is crucial for jewelers and appraisers.
  • Question: How does the External Monochromatic Yellow Light feature enhance the refractometer's functionality?

    Answer: The External Monochromatic Yellow Light feature ensures that the light used for measurements is consistent and specific, optimizing accuracy in refractive index readings. This type of light minimizes interference from other colors, resulting in clearer readings. As a result, gemologists can trust the measurements obtained for critical assessments, making this feature especially valuable when dealing with high-value gemstones.
  • Question: What is the significance of the 1.80 RI Oil included with the refractometer?

    Answer: The 1.80 RI Oil is a necessary component used to enhance the visibility of stones while measuring their refractive index. This oil has a specific refractive index that matches the measurements of certain gemstones, which helps in obtaining precise readings. Using this oil allows for more accurate results, particularly with stones that exhibit high refractive indices, thus improving gemological analysis efficiency.
  • Question: Can this refractometer be used for both natural and synthetic gemstones?

    Answer: Yes, the External Monochromatic Yellow Light Gem Refractometer is suitable for testing both natural and synthetic gemstones. Its reliable technology ensures that regardless of the origin of the gemstone, precise refractive index measurements can be made. This versatility makes it an indispensable tool for gemologists who need to evaluate various types of gems during appraisals.
  • Question: Is prior experience necessary to use this gem refractometer effectively?

    Answer: While some familiarity with gemological tools is beneficial, this Gem Refractometer can be used effectively with basic training. The operating procedures are straightforward, allowing beginners to follow instructions easily. Additionally, tutorials and guides are often available, making it accessible for less experienced users who are keen to learn how to evaluate gemstones accurately.
  • Question: What types of gemstones can be accurately measured?

    Answer: The refractometer can measure a wide range of gemstones, including diamonds, sapphires, rubies, and many others. Its ability to provide precise refractive index data makes it suitable for popular and rare gem types alike. This adaptability ensures that jewelers and gemologists can confidently assess a variety of stones, enhancing their appraisal services.
  • Question: How does the Monochromatic Yellow Light impact readings compared to other light sources?

    Answer: Monochromatic Yellow Light reduces the spectrum of light that can introduce variables in refractive index readings. Unlike white light, which contains multiple wavelengths and can lead to inconsistent results, the yellow spectrum offers more reliable measurements. This specificity is particularly useful when analyzing gemstones with unique optical characteristics, allowing for more consistent and dependable evaluations.
  • Question: What maintenance does a Gem Refractometer require?

    Answer: Maintaining a Gem Refractometer generally involves regular cleaning of the optical surfaces and ensuring the light source is functional. Users should leverage microfiber cloths to avoid scratches and routinely check for calibration accuracy. Proper maintenance ensures longevity and effectiveness in measuring gemstones, which is vital for gemologists relying on this tool for professional assessments.
  • Question: How portable is the External Monochromatic Yellow Light Gem Refractometer?

    Answer: The refractometer is designed to be compact and lightweight, making it highly portable for gemologists on the go. Its design allows for easy carrying in a bag or briefcase without adding significant weight. This portability is ideal for those working in field conditions or attending gem shows, allowing them to conduct on-the-spot evaluations and enhance client interactions.
  • Question: Where can I buy External Monochromatic Yellow Light Gem Refractometer in Jersey?

    Answer: You can purchase the External Monochromatic Yellow Light Gem Refractometer at Ubuy, a reliable online store offering a variety of gemological tools. With easy access to the latest equipment, Ubuy ensures you can find high-quality refractometers suitable for both professionals and enthusiasts in Jersey.

Ade Advanced Optics Refractometers Editorial Review

No editorial reviews found

Customer Reviews & Ratings

4.0
1 customers ratings
  • 5 Star
    0%
  • 4 Star
    100%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

GBP 149

Order now and get it around Monday, August 03

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Primary tool for identifying polished precious and semi-precious gemstones
  • Built-in light source and contact liquid for accurate measurement
  • Measures refractive index, transparency, opacity, beauty, durability, and scarcity
  • Can also measure R.I. for many minerals in crystal form
  • Convenient and easy to carry with automatic temperature compensation
  • Durable, reliable, and comes with a bottle of refractive index fluid

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.