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Item #:
183951929
Diamond Tester, Diamond Jewelry Tester, Professional Diamond Selector, Professional Diamond Tester, Diamond Tester Tool Portable Handheld
Item #:
183951929
MWK 97942
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, August 26
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Quickly differentiate between genuine diamonds and common imitations like cubic zirconia or moissanite.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Professional Accuracy
This diamond tester offers exceptional precision, ensuring you can confidently identify real diamonds versus simulants, solving common user concerns about authenticity.
Portable Design
Its handheld and compact design makes it easy to carry and use anywhere, allowing jewelers and enthusiasts to test gems effectively on the go.
Versatile Usage
This tool is ideal for various diamond jewelry, catering to both hobbyists and professionals, offering valuable insight into gem authenticity for diverse user needs.
Product Details
| Product Dimensions (L x W x H) | 4.33 x 3.54 x 0.78 inches (11 x 9 x 2 cm) |
| Item model number | goodstumblercu3qdwopg8 |
| Item Weight | 2.54 ounces (72.01 grams) |
| Manufacturer | goodstumbler |
| Date First Available | October 7, 2025 |
Who Should Buy?
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Jewelry Retailers
Retailers can accurately assess diamond authenticity, enhancing customer trust and improving sales capabilities with this reliable tester.
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Gemstone Enthusiasts
Amateur or professional gemstone lovers will appreciate the device's portability and accuracy for personal collections and evaluations.
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Jewelry Appraisers
Appraisers need precise tools for evaluating items, and this tester provides essential diagnostic capability for appraising diamonds accurately.
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Casual Users
Individuals who casually wear or purchase jewelry may find the device unnecessary and overly technical for their needs.
Product Description
Diamond Tester, Diamond Jewelry Tester, Professional Diamond Selector, Professional Diamond Tester, Diamond Tester Tool Portable Handheld
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a diamond tester and how does it work?
Answer: A diamond tester is a handheld device used to determine whether a gemstone is a diamond or a simulant like cubic zirconia. It works by measuring the thermal conductivity of the stone; diamonds conduct heat differently from other materials. When you place the tester's probe on the stone, it produces a visual or audible signal indicating whether the stone is a real diamond. This tool is essential for jewelers, gemologists, and anyone interested in verifying the authenticity of their jewelry. -
Question:
Can a diamond tester detect all types of diamonds?
Answer: Most diamond testers are designed to identify natural diamonds effectively, but their ability to detect fancy diamonds or diamonds with unusual inclusions can vary. Some testers might also misidentify moissanite as a diamond due to similar thermal properties. Therefore, while a professional diamond tester is highly reliable, it's advisable for users to familiarize themselves with the specific model's capabilities and consider using multiple testing methods for the utmost accuracy. -
Question:
How accurate are diamond testers?
Answer: Diamond testers typically offer high accuracy, often exceeding 90% for detecting genuine diamonds. However, accuracy can vary based on the model and the stone being tested. Factors such as temperature and surface conditions can also affect readings. For the best results, it's recommended to follow the manufacturer's instructions carefully and use the tester in optimal conditions. For instance, jewelers often run multiple tests to ensure the authenticity of high-value gemstones. -
Question:
Is a diamond tester portable?
Answer: Yes, most diamond testers are designed to be portable and handheld, making them easy to carry and use in various settings. Their compact size allows for convenient storage in a toolbox or jewelry kit, perfect for both professional jewelers and individuals assessing their collections at home. Many users find these portable testers beneficial when attending gem shows or traveling, ensuring they can verify their stones on the go. -
Question:
How do you properly use a diamond tester?
Answer: To use a diamond tester, start by ensuring the device is calibrated correctly. Place the probe directly against the stone’s surface and activate the tester. Observe the results displayed on the meter or listen for an audio signal. It's important to test multiple areas of the stone for consistent results. If significant discrepancies appear, consider rechecking for optimal accuracy. This method is especially useful in purchasing scenarios, where verifying gemstone authenticity is crucial. -
Question:
What types of stones can be tested with a diamond tester?
Answer: While diamond testers primarily assess diamonds, many models can also evaluate stones such as moissanite, glass, and cubic zirconia. However, the results may vary; for example, some testers may misidentify moissanite due to its similar thermal properties. Understanding the limitations of your device can help you make informed decisions. Utilizing a diamond tester alongside other verification methods can provide a more comprehensive evaluation of your stones. -
Question:
Are there different types of diamond testers available?
Answer: Yes, there are various types of diamond testers, including thermal conductivity testers, electronic testers, and some that function with both thermal and electrical methods. Each type has its own set of features and reliability. For instance, thermal testers are widely used due to their simplicity, while electronic models may offer more advanced technology for detecting a broader range of stones. Choosing between these depends on your specific testing needs and usage frequency. -
Question:
Do diamond testers require maintenance?
Answer: Diamond testers do require some basic maintenance to ensure optimal performance. Regularly check the batteries and replace them as necessary. It’s also essential to keep the probe clean to avoid residue affecting the readings. If the tester features a calibration option, perform periodic calibrations as recommended. These steps help maintain accuracy and extend the lifespan of your device, especially under frequent use in professional settings. -
Question:
What should I look for when buying a diamond tester?
Answer: When purchasing a diamond tester, consider features like calibration methods, battery life, measurement accuracy, and specific capabilities to identify different gemstones. Look for user-friendly designs and clear display options, as these enhance usability, especially for beginners. Reading customer reviews and ratings can also provide insights into a product's reliability. A quality tester can be a valuable investment for both casual jewelry enthusiasts and professional jewelers seeking assurance in their transactions. -
Question:
Where can I buy a diamond tester in Malawi?
Answer: You can purchase a diamond tester, including models like the Professional Diamond Selector and Portable Handheld Diamond Tester, from Ubuy in Malawi. Ubuy offers a wide selection of jewelry testing tools that cater to different needs, ensuring you find the right diamond tester for your requirements. With a focus on quality and customer satisfaction, Ubuy is a reliable choice for acquiring professional-grade diamond testing equipment.
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Mohd
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
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“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
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- 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.
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MWK 97942
Order now and get it around Wednesday, August 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Quick and accurate diamond authentication with sound alerts and LED colors.
- Non-destructive testing ensures no damage to valuable jewelry.
- Instant detection of genuine diamonds versus imitations.
- Professional-grade thermal technology for reliable gemstone verification.
- Portable design ideal for travel and user-friendly operation.
- Perfect for both professionals and enthusiasts seeking dependable results.
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