- Home Page /
- Arts Crafts & Sewing /
- Beading & Jewelry Making /
- Jewelry Making Tools /
- Diamond & Gold Testers /
- Diamond Testers /
- High Accuracy Diamond Tester Pen,Professional...
0 ratings
Item #:
70568383
High Accuracy Diamond Tester Pen,Professional Jewelry Diamond Tester,Diamond Selector for Novice and Expert, Thermal Conductivity Meter-9V Battery
Item #:
70568383
USD 24
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
Imported from USA store
QTY:
Order now and get it around Wednesday, August 12
Secured 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
No need for a professional - the Hqdz-td Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it's real or fake.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
High Accuracy
This diamond tester provides professional-grade accuracy, ensuring reliable results for both novices and experts in the jewelry industry.
User-Friendly Design
Designed for ease of use, this tester allows anyone to confidently identify real diamonds, making it suitable for all skill levels.
Included Battery
Comes with a 9V battery included, ensuring immediate usability out of the box without the need for extra purchases.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 9 Volts |
| Measurement Type | Thermal Conductivity |
| Style Name | 1.High Quality Accuracy Ease of use 2.Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones 3. Professional Diamond Selector for Novice and Expert&Jewelers,Thermal Conductivity Meter |
| Color | Diamond Tester |
| Item Weight | 90 Grams |
| Item Dimensions | 5.91 x 1.57 x 1.18 inches (15 x 4 x 3 cm) |
| Brand Name | Hqdz-td |
| Model | Dz-088 |
| UPC | 793101013559 |
| Manufacturer | Hqdz-td |
| Part Number | Dz-088 |
| Included Components | Diamond Tester Pen |
| Item Type Name | Jewelry Diamond Testers |
| Unit Count | 1.0 Count |
| Brand | Hqdz-td |
| Style | 1.High Quality Accuracy Ease of use 2.Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones 3. Professional Diamond Selector for Novice and Expert&Jewelers,Thermal Conductivity Meter See more |
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?
-
Jewelry Enthusiasts
Perfect for hobbyists looking to determine the authenticity of diamonds before purchasing or selling jewelry.
-
Professional Jewelers
Essential tool for jewelers to quickly and accurately assess diamonds in a professional setting.
-
Retail Staff
Useful for retail employees in jewelry stores to verify diamond quality and prevent fraud.
-
Casual Buyers
Not ideal for casual buyers who don't frequently purchase or assess gemstones; may overcomplicate the process.
Product Description
High Accuracy Diamond Tester Pen,Professional Jewelry Diamond Tester,Diamond Selector for Novice and Expert, Thermal Conductivity Meter-9V Battery Included(Diamond Tester)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the Diamond Tester Pen?
Answer: The Diamond Tester Pen is specifically designed to evaluate the authenticity of diamonds. By measuring thermal conductivity, it distinguishes between genuine diamonds and imitations like cubic zirconia. This pen is perfect for jewelers and individuals who want to ensure they are purchasing authentic diamond jewelry. Its accurate readings make it an indispensable tool for both novices and experts in the jewelry industry. -
Question:
How does the thermal conductivity meter in the Diamond Tester work?
Answer: The thermal conductivity meter operates by measuring how well heat is transferred through the stone being tested. Diamonds exhibit high thermal conductivity, allowing the tester to identify them accurately. When you place the tester on a stone, it gives an instant reading indicating whether it is a diamond or not. This feature enables users to make informed decisions when buying or selling jewelry. -
Question:
What is the function of the 40X illuminated jewelry loop magnifier?
Answer: The 40X illuminated jewelry loop magnifier allows you to closely examine gemstones and their settings. The magnified view helps in identifying inclusions and blemishes in diamonds and other stones, enhancing your ability to assess quality. This tool is vital for jewelers to ensure they provide the best advice to customers regarding the quality of their purchases. -
Question:
Can the Diamond Tester Pen be used for other gemstones?
Answer: While the primary use of the Diamond Tester Pen is to assess diamonds, it can also help identify other gemstones with similar thermal properties. However, its reliability is best with diamonds. For best results, utilize it when assessing diamond authenticity and combine it with the jewelry loop magnifier to thoroughly check all stones before making a purchase. -
Question:
Is the Diamond Tester Pen suitable for beginners?
Answer: Yes, the Diamond Tester Pen is user-friendly and ideal for beginners. Its clear instructions and straightforward operation make it accessible for anyone new to testing gemstones. By using this tester, novices can gain confidence in their ability to evaluate diamonds, making it an excellent introductory tool for those interested in jewelry or gemology. -
Question:
How accurate is the Diamond Tester Pen?
Answer: The accuracy of the Diamond Tester Pen is generally high, given its reliance on thermal conductivity measurements. For optimal accuracy, it’s essential to ensure the stone is clean and at room temperature prior to testing. This device provides quick and reliable results, helping you confidently determine the authenticity of your diamond jewelry. -
Question:
What maintenance is required for the Diamond Tester Pen?
Answer: Maintaining the Diamond Tester Pen is straightforward. Ensure it is stored in a protective case to avoid physical damage, and regularly clean the testing tip to ensure reliable readings. Avoid exposing the device to extreme temperatures or humidity, as these can affect its performance. With minimal care, your tester can last a long time. -
Question:
Can I use the Diamond Tester Pen in a professional setting?
Answer: Absolutely! The Diamond Tester Pen is designed for both novice users and professionals in the jewelry industry. Its accuracy and ease of use make it a valuable tool for jewelers, gemologists, and retail staff. Using the tester can enhance customer trust and satisfaction by ensuring they receive genuine diamonds. -
Question:
What should I do if the Diamond Tester Pen gives an inconclusive result?
Answer: If the Diamond Tester Pen gives an inconclusive result, it's advisable to double-check that the stone is clean and properly positioned on the tester. If uncertainty persists, consider seeking a professional evaluation from a gemologist. Additionally, using the jewelry loop magnifier can help further assess the stone's features to clarify doubts. -
Question:
Where can I buy the Diamond Tester Pen in British Virgin Islands?
Answer: You can buy the Diamond Tester Pen, along with its accompanying features, from Ubuy. Ubuy provides a convenient online shopping experience for those in British Virgin Islands, offering a wide range of jewelry testing tools, including the Diamond Tester Pen and 40X illuminated jewelry loop magnifier, ensuring you find everything you need for accurate gemstone testing.
Hqdz-td Diamond Testers Editorial Review
The Diamond Tester Pen is a reliable tool for both novice and expert users to determine the authenticity of diamonds. It comes with its own carrying case, making it convenient for travel or storage. The tester accurately detects genuine diamonds and easily identifies imitation stones. With a simple press against the gemstone, users can quickly receive results on the LCD display. The included 40X illuminated jewelry loop magnifier allows for a closer examination of diamonds or other small objects, with the added benefit of a built-in light for better visibility. Overall, the Diamond Tester Pen is a handy and effective tool for anyone interested in distinguishing real diamonds from fakes.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Accurately detects genuine diamonds and identifies imitation stones
- Simple and easy to use, with clear instructions
- Comes with a 40X illuminated jewelry loop magnifier for closer examination
- Includes its own carrying case for convenient storage and travel
Cons
- Limited experience compared to other diamond testers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 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.
USD 24
Order now and get it around Wednesday, August 12
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:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Intuitive LCD display and LED indicator for easy reading
- Effortless testing for quick and accurate results
- Audible and visual cues for real diamond identification
- Quick, precise, and safe testing process
- Convenient package with battery, leather pouch case, and user manual
- Suitable for testing diamonds, sapphires, rubies, crystals, and agate
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.