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- Diamond Tester Pen, High Accuracy Jewelry Tes...
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Item #:
215716690
Diamond Tester Pen, High Accuracy Jewelry Tester, Battery Included, Gemstone-Only Detection - No Metal/Gold Testing, for Novice and Expert Gemologists
79% of respondents would recommend this to a friend
Item #:
215716690
USD 17
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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Imported from USA store
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Order now and get it around Wednesday, September 30
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Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Accuracy
Equipped with advanced technology, this tester provides precise readings for gemstones, ensuring both novice and expert gemologists can confidently evaluate jewelry quality without misidentification.
User-Friendly Design
Designed for ease of use, the tester is perfect for beginners while still meeting the demands of professionals, making gemstone testing efficient and accurate for all skill levels.
Battery Included
Conveniently comes with a battery, allowing immediate use right out of the box. There’s no delay or additional cost, ensuring gemologists can start testing jewelry without preparation.
Product Details
| Package Dimensions | 7.4 x 2.28 x 1.34 inches (18.8 x 5.8 x 3.4 cm) |
| Batteries | 1 9V batteries required. (included) |
| Item Weight | 5 ounces (141.75 grams) |
| Manufacturer | Marvelity |
| Date First Available | February 28, 2026 |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
-
Novice Gemologists
Ideal for beginners to accurately assess gemstones without complexities of metal detection features.
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Jewelry Enthusiasts
Perfect for hobbyists looking to identify and authenticate gemstones within their collections for personal use.
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Traveling Assessors
Compact design with battery included makes it an excellent tool for gemologists on the go needing quick checks.
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Metal Testers
Users needing to test gold or other metals will find this diamond tester unsuitable for their requirements.
Product Description
Diamond Tester Pen, High Accuracy Jewelry Tester, Battery Included, Gemstone-Only Detection - No Metal/Gold Testing, for Novice and Expert Gemologists
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Can I test metals or gold with this gem tester?
Answer: No, this tester is exclusively for gemstones; testing metals will give false results. -
Question:
What are the optimal conditions for using the diamond tester?
Answer: Stable performance is best at temperatures between 10-35℃ and in a windless environment. -
Question:
Do I need any professional skills to operate this tester?
Answer: No, the tester can be used easily by anyone by following the simple operation steps provided.
Marvelity Diamond Testers Editorial Review
The Diamond Tester Pen is a compact and capable device designed for both novice and experienced gemologists looking for an effective way to determine the authenticity of gemstones, particularly diamonds. Customers have praised its ease of use right out of the box, with many appreciating that the pen operates smoothly and provides clear readings without confusion from metals or gold. This functionality allows users to confidently identify real diamonds without second-guessing their results. The tester is well-Constructed and feels sturdy in hand, enhancing the user experience while conducting tests. However, it's worth noting that there is a slight learning curve—users must familiarize themselves with the correct pressure, angle, and technique for Consistent accuracy. Once they grasp the operational nuances, many find that testing stones becomes quick and straightforward. Numerous reviews highlight the tester's proficiency, demonstrating its reliability on various gemstones, and affirming its value for casual use. The inclusion of a ready-to-go battery and portability make it an appealing purchase for those who wish to test jewelry at home or carry it within their jewelry kit. Overall, the Diamond Tester Pen is widely regarded as a practical and affordable tool for basic diamond checking, making it a valuable addition to any gem enthusiast's collection. **
Customer Reviews & Ratings
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Pros
- Easy to use with minimal setup
- Precise readings that differentiate between real gems and metals
- Durable design that feels solid in hand
- Portable size for convenience
- Good value for the price
Cons
- Slight learning curve in mastering usage techniques
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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USD 17
Order now and get it around Wednesday, September 30
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.)
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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
- High-accuracy gemstone tester for diamonds and other gems.
- Simple 4-step operation ensures accurate results.
- Includes a testing platform for stable gem positioning.
- Portable palm-sized design perfect for any user.
- Ready-to-use kit with all necessary accessories included.
- No professional skills required for accurate readings.
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