- Home Page /
- Arts Crafts & Sewing /
- Beading & Jewelry Making /
- Jewelry Making Tools /
- Diamond & Gold Testers /
- Gold Testers /
- Testing Stone for Gold, Precious Metal Test A...
0 ratings
Item #:
85392106
Testing Stone for Gold, Precious Metal Test Acid Silver Jewelry Tester Scratch Value Purity Scrap Platinum Detecting Tool Goldsmithing Tools Portable
89% of respondents would recommend this to a friend
Item #:
85392106
XCD 52
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, October 01
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
Premium materials and precise authentication for testing gold, silver, and platinum simultaneously with long-lasting durability.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Precision Testing
This portable tester offers accurate evaluation of gold and precious metals, ensuring reliable results for jewelers and collectors, enhancing confidence in transactions.
Versatile Applicability
Suitable for testing various metals, including platinum and silver, this tool is perfect for goldsmiths, antique dealers, and hobbyists, addressing diverse market needs.
User-Friendly Design
Designed for ease of use, this testing stone simplifies the detection process, allowing both professionals and enthusiasts to assess metal purity efficiently and effectively.
Product Details
| Product Dimensions (L x W x H) | 3 x 6 x 0.25 inches (7.6 x 15.2 x 0.6 cm) |
| Item model number | GEMTONE3X6 |
| Item Weight | 8.4 ounces (238.14 grams) |
| Manufacturer | GTE |
| Date First Available | April 3, 2024 |
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 Makers
Ideal for goldsmiths needing accurate purity tests for gold and other precious metals in jewelry creation.
-
Collectors
Perfect for antique dealers and collectors evaluating the authenticity and value of vintage jewelry and coins.
-
Hobbyists
A valuable tool for hobbyists and enthusiasts testing and verifying the purity of personal metal items.
-
Professional Appraisers
May lack the precision required for high-end appraisals, which typically require more advanced equipment.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a Testing Stone for gold and precious metals?
Answer: A Testing Stone is a tool used in the jewelry industry to determine the purity and quality of precious metals such as gold, silver, and platinum. By scratching the metal against the stone and applying an acid solution, you can visually assess the metal's integrity. This tool is essential for jewelers or individuals dealing with scrap metals, ensuring that they can accurately evaluate the value and authenticity of their materials. -
Question:
How do I use a Testing Stone with acid for testing gold?
Answer: To use a Testing Stone for gold, first, clean the stone's surface. Then, scratch the gold item against the stone to leave a mark. After that, apply the appropriate acid solution for the karat of gold being tested onto the scratch mark. The reaction will show whether the gold is pure or an alloy, enabling accurate assessments of value. This method is particularly useful for jewelers assessing the quality of pieces before resale or for individuals checking inherited gold items. -
Question:
What types of precious metals can I test with this tool?
Answer: The Testing Stone can be used to test various precious metals, including gold, silver, and platinum. Each metal requires a specific acid solution for accurate testing. This versatility makes the tool valuable for jewelers and hobbyists alike, as they can check the purity of different metals without needing multiple specialized testers, streamlining their metal evaluation process. -
Question:
Can the Testing Stone be used for scrap metal evaluation?
Answer: Yes, the Testing Stone is ideal for evaluating scrap metal. By determining the purity of the metals quickly, sellers can better decide how to price their scrap items. Whether you're working with old jewelry or precious metal scrap, the tool assists in making informed decisions about selling or refining the materials. It works well for anyone looking to maximize the value of their precious metal collection. -
Question:
Is the Testing Stone portable?
Answer: The Testing Stone is designed to be portable, making it convenient for on-the-go evaluations. Its lightweight and compact size allow jewelers and hobbyists to carry it easily in their toolkits or pockets. This portability ensures that even in fluctuating environments like flea markets or trade shows, users have immediate access to test precious metals on-site. -
Question:
What should I keep in mind when selecting the right acid for testing?
Answer: Choosing the right acid depends on the purity level you expect from the metal. Different karats of gold require specific acids for accurate testing. It's crucial to have a set of acids that correspond to the different purity levels (such as 10K, 14K, 18K) to get reliable results. Knowing this can lead to more accurate assessments, preventing costly misjudgments when evaluating the metal’s worth. -
Question:
How do I maintain my Testing Stone?
Answer: Maintaining your Testing Stone is straightforward. After each use, clean the surface to remove any metal residue that may hinder future tests. Use a soft cloth or a designated cleaning solution to avoid scratches on the stone’s surface. Proper care prolongs the stone's lifespan and ensures consistent, accurate results, making it a reliable tool for continued use in jewelry assessment. -
Question:
Can I use the Testing Stone for personal jewelry verification?
Answer: Absolutely! The Testing Stone is perfect for personal jewelry verification at home. If you have old family heirlooms or pieces that might be valuable, testing their purity can provide insights into their worth. This enables informed decisions on whether to keep, sell, or upgrade these pieces, ensuring that you understand the true value of your jewelry collection. -
Question:
Is the Testing Stone suitable for professional jewelers?
Answer: Yes, the Testing Stone is highly suitable for professional jewelers. Its accuracy and reliability make it indispensable for assessing incoming materials and evaluating items that customers wish to sell. Many jewelers use this tool regularly to maintain the integrity of their inventory and ensure fair pricing. It's an essential component in the toolkit of any serious jewelry professional. -
Question:
Where can I buy the Testing Stone for Gold, Precious Metal Test Acid?
Answer: You can purchase the Testing Stone for Gold and Precious Metal Test Acid from Ubuy in Montserrat. Ubuy offers a wide range of goldsmithing tools, including portable testing stones that meet the needs of both professionals and hobbyists. By shopping on Ubuy, you can find the exact tools you need for your precious metal testing efforts.
Gemtone Gold Testers GEMTONE3X6 Editorial Review
** Gemtone Scratch Testing Stone** The Gemtone Scratch Testing Stone has garnered impressive feedback from customers, establishing itself as an essential tool for both professionals and enthusiasts engaged in the world of metal testing. The standout feature of this testing stone is its unique black surface, which significantly improves the visibility of test results compared to traditional white stones. This design choice greatly enhances user experience, making readings easier and more precise. With generous dimensions of 6”x3”, the stone provides an ample surface area that can handle multiple tests, making it a durable companion for those who frequently analyze metals like silver and gold. Customers have praised its solid Construction and rubber anti-slip backing, which not only adds to its longevity but also ensures a secure grip during use. Users report that the stone is suitable for both workshop and fieldwork, reflecting its portability and versatility. Though some users have experienced a learning curve due to the need for accompanying acids to complete the testing process, they have generally found the stone easy to use. The straightforward nature of the testing method—dragging metal across the stone's surface and applying the appropriate testing solution—has received positive remarks. Reviewers have noted that even those new to testing can quickly grasp the process with a bit of practice. In summary, the Gemtone Scratch Testing Stone is a well-regarded product that excels in functionality and durability, and particularly in enhancing the user experience through its design. **
Customer Reviews & Ratings
199 customers ratings
-
5 Star
79%
-
4 Star
8%
-
3 Star
4%
-
2 Star
3%
-
1 Star
6%
Review this product
Share your thoughts with other customers
Pros
- Exceptional visibility and readability due to its black surface
- Generous surface area for multiple testing
- Durable Construction with anti-slip backing
- Portable and versatile for both workshop and field use
- Simple and easy-to-understand testing method
Cons
- Requires additional acids for testing, which may not be clear to novices
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
AG
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
H
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
O
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
AC
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
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.
XCD 52
Order now and get it around Thursday, October 01
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
- 3''x6'' testing stone for accurate precious metal authentication
- Crafted with premium materials for gold, silver, and platinum testing
- Durable and long-lasting for hundreds of uses
- Compact size for easy desktop workspace placement
- Versatile for testing multiple precious metals professionally or as a hobbyist
- Allows easy color changes viewing while testing different surfaces
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.