Jewelry Tester

Jewelry Tester Definition

A Jewelry Tester is a professional device used to authenticate and analyze the composition of jewelry, precious metals (like gold, silver, platinum), and gemstones (like diamonds). It provides non-destructive, accurate assessment of material purity, karatage, and authenticity, essential for valuation and quality control in the jewelry industry.

Video overview of jewelry tester

Watch the video below to meet the Portable XRF Gold Tester VR-M5. See firsthand how this powerful tool can streamline your gold analysis, providing unparalleled accuracy for jewelers, pawnbrokers, and precious metal enthusiasts.

Best Jewelry Tester for Sale at VRAY in Different Types and Design

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Jewelry testers for sale at VRAY

Welcome to VRAY! As a 17-year Jewelry tester manufacturer, we specialize in providing cutting-edge Jewelry Testers and Jewelry Testing Equipment. Discover our wide range of products, including advanced Gold Testers for Jewelry, reliable Diamond Gold Testers, and precise Jewelry X-Ray Machines. Whether you need a Jewellery Checking Machine or any Jewelry Testing Machine, VRAY delivers accurate solutions. We're proud to offer both standard models and comprehensive customization services to meet your unique needs. Explore our offerings and find your ideal Jewelry Tester today!

Detailed informations of one of our jewelry tester (VR-N3 model)

The VR-N3 model boasts impressive technical specifications for reliable performance:



Specifications of jewelry tester.jpg

  • Model Number: VR-N3

  • Principle: jewelry tester, X-ray Fluorescence (XRF) Spectrometry

  • Detector: Gas Proportional Counter

  • Precision: High precision, capable of 99.99% gold purity analysis.

  • Brand Name: V-RAY

  • Place of Origin: China

  • Warranty: 1 year

  • Weight (Gross Package): 45.000 KG

  • Package Size: 67 x 40 x 30 cm

  • Customization Support: OEM, ODM (Customized logo available for Minimum Order: 1 unit)

  • Typical Analysis Range: Gold, Silver, jewelry, Copper, Platinum, Palladium, Iridium, Cadmium, and other common precious metals and alloys.

Features and Functions of Jewelry Tester

VRAY Jewelry Testers offer robust capabilities for precise analysis:

  • High-Precision Gold Analysis: Capable of verifying 99.99% purity for gold, providing extremely accurate karatage and elemental composition (Au, Ag, Cu, Pt, Pd, etc.) analysis.

  • Non-Destructive Testing: Analyzes samples without causing any damage, preserving the integrity of valuable jewelry pieces.

  • Rapid Results: Delivers quick elemental readings and purity assessments, typically in just seconds, boosting workflow efficiency.

  • User-Friendly Operation: Features an intuitive touchscreen interface and one-click intelligent operation, making it simple for users of all experience levels to operate.

  • All-in-One Benchtop Design: A compact and integrated unit (like the VR-N3 and VR-X3) suitable for jewelry shops, pawn brokers, and manufacturing quality control.

  • Detailed Data Output: Provides clear display of elemental percentages and generates comprehensive reports (e.g., customizable PDF/Excel reports).

Features and Functions of Jewelry Tester

Price and Cost of Jewelry Tester by VRAY

VRAY offers competitive, factory-direct pricing for its gold and jewelry testers, making advanced XRF technology accessible:

  • 1-4 units: $5,400 per unit
  • 5-19 units: $5,100 per unit
  • 20 units: $4,800 per unit

Sample Price: $5,400

General VRAY Jewelery Tester Price Range:

  • Benchtop Models: Prices typically range from ~$4,800 (VR-N3) to ~$198,000+ (for high-end models like VR-T7 for micro-area measurement or VR-T9 with multi-collimator).

  • Handheld Models: Prices generally range from ~$15,000 to ~$35,000+.

Factors Influencing Cost: The price varies based on the instrument type (benchtop vs. handheld), the level of analytical precision, detector technology (e.g., SDD detectors for higher performance), X-ray tube power, integrated software features, and any custom configurations.

To learn more prices you can click all the prices of xrf analyzers/machines by VRAY

Price and Cost of Jewelry Tester by VRAY

How to Use a Jewelry Tester

VRAY's Jewelry Testers, especially XRF models like the VR-N3, are designed for straightforward operation:

  1. Power On: Plug in the unit and press the power button. Allow it to complete its system initialization.

  2. Place Sample: Open the sample chamber (for benchtop models like VR-N3) and place the jewelry item flat on the testing stage. For handheld units, position the measurement window directly on the sample.

  3. Close Safety Door: Close the sample chamber lid firmly. The instrument will automatically confirm the safety interlock.

  4. Select Test Mode: Using the intuitive touchscreen interface, select the appropriate test mode (e.g., "Gold Assay," "Precious Metals Analysis"). VRAY's one-click intelligent operation often simplifies this choice.

  5. Initiate Analysis: Press the "Start Test" or "Analyze" button. The XRF process will begin, emitting X-rays and collecting fluorescent signals. Analysis typically completes in seconds.

  6. View Results: The screen will instantly display the elemental composition (e.g., percentage of Gold, Silver, Copper) and the corresponding karatage.

  7. Save & Report: Save the analysis data to the instrument's memory. You can then generate detailed reports (in PDF or Excel format) and even customize them with your company's branding.

  8. Remove Sample: Once the analysis is complete and results are recorded, open the sample chamber (or lift the handheld unit) and remove the jewelry item. The unit is ready for the next test.

To learn how to operate a jewelry tester clearly, we sugest you click https://youtu.be/NwIIEWKdJyY?si=MDxcPQig6V32Vanx to watch it carefully, which video provide by VRAY.

How to Use a Jewelry Tester

How to choose the best jewelry tester: methords & standards

How to choose the best jewelry tester: Selection methods

Begin by comparing competitors thoroughly. Crucially, vet manufacturer credentials: investigate their experience (VRAY boasts 17 years as a direct manufacturer), inspect their factory setup, and check customer reviews. Demand on-site product testing with your own samples. Conduct multiple test analyses to verify data consistency and reliability across different materials.

Standards for the best Jewelry Tester: Viewpoint by VRAY

A truly excellent jewelry tester, like VRAY's, must exhibit:

Standards for the best Jewelry Tester.jpg


  1. High Precision & Accuracy: Crucial for 99.99% purity verification.

  2. Fast Response: Provides immediate results and instant reports.

  3. Data Reliability: Consistent and trustworthy analytical data.

  4. Ease of Use & Maintenance: User-friendly operation and simple upkeep.

  5. Durability & Longevity: Built for extended, reliable service.

  6. Comprehensive Support: Strong after-sales service and technical assistance.

Choosing wisely ensures robust, accurate, and efficient operations for years.

Do jewelry testers work?

Yes, jewelry testers are effective, but their effectiveness depends on the specific tool and the material being tested. As you mentioned, standard diamond testers (usually based on thermal or electrical conductivity) are highly accurate at distinguishing diamonds from common simulants like Cubic Zirconia (CZ).

Limitations of Traditional Diamond Testers:

However, their limitations are significant:

  • Moissanite: Traditional diamond testers struggle with moissanite, as it shares similar thermal and some electrical conductivity properties with diamonds. While some "moissanite testers" incorporate additional conductivity tests, newer moissanite types can still bypass detection.

  • Lab-Grown Diamonds (LGDs): This is the biggest challenge. Because lab-grown diamonds have the identical chemical composition and physical properties as natural diamonds (including thermal and electrical conductivity), conventional diamond testers cannot distinguish between them.

  • Other Factors: Environmental temperature/humidity, surface dirt, and improper operation can affect results.

How VRAY Provides a More Comprehensive Solution:

As a specialized manufacturer, VRAY primarily offers XRF (X-ray Fluorescence) Spectrometers, such as our VR-N3, VR-X5, VR-T series, and portable VR-H series. XRF technology is used for precise chemical composition and purity analysis of metals (like gold, silver, platinum, palladium), not for directly identifying diamonds themselves.

VRAY XRF's Role and Precision in Jewelry Analysis:

  1. Metal Purity and Authenticity: VRAY's XRF analyzers achieve extremely high precision in metal detection; for instance, the VR-N3 can verify gold purity up to 99.99%. They quickly and non-destructively determine the content of various precious metals in jewelry, accurately differentiating plating, alloys, and pure metals. They can even identify undetectable adulterants like tungsten.

  2. Indirect Diamond Authentication Support: While XRF doesn't directly test diamond authenticity, it analyzes the metal setting around or beneath the diamond, ensuring the authenticity and value of the mounting.

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