HMKIS Diamond Tester Pen, Professional Jewelry Diamond Tester with 60X Jewelry


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  • [Power Upgrade] The HMKIS diamond tester offers two power supply options: Type-C and 9V Power (includes a 1m Type-C cable). Utilizing a Type-C power supply delivers a more stable and precise voltage output, thereby enhancing the accuracy and reliability of experimental and test results. Opting for the Type-C power supply is highly recommended for optimal performance. PLZ NOTE THIS IS Non-Rechargeable !
  • [Rapid Assurance] The Professional Diamond Selector II swiftly verifies the authenticity of diamonds with precise accuracy. Designed for quick and secure testing, this diamond selector features an LCD display, LED indicator, and large/small switches for testing diamonds. Audible signals provide further assistance in interpreting readings, ensuring a swift and confident evaluation process.
  • [Easy Use]The HMKIS Diamond Tester Pen is a user-friendly tool that eliminates the need for professional knowledge in diamond testing. With just a few simple steps, anyone can determine the authenticity of a diamond. By turning on the Diamond Tester Pen detector, selecting the diamond size, and placing the tip of the tester on the gemstone, users can easily identify whether the stone is a genuine diamond or if it is made of glass, crystal, or cubic zirconia based on the results. The red light and beep emitted by the diamond tester indicate the presence of a diamond, making it a convenient and easy-to-use tool for anyone in need of quick and accurate diamond testing.
  • [Jewelers Loupe] The 60X LED Jewelers Loupe with batteries is a versatile tool that can be used for a wide range of applications. Whether you are examining gems, coins, antiques, stamps, conducting readings, inspections, jewelry appraisals, studying rocks, watches, calligraphy, paintings, pursuing hobbies, collecting antiques, building models, working in the photo industry, testing electronic products, or simply using it for tasks in your home life or office, this Jewelers Loupe is an essential tool. Its compact design and powerful LED lights make it convenient for use in various settings, providing clear and detailed magnification for all your viewing needs.
  • [Adjust Size]:We have to choose the diamond size before using the diamond tester.Otherwise we may get the incorrect result.
  • [Touch Panel]: We have to touch the panel on the back when testing. Othersize we will get a wrong result.
  • [Incorrect Contact]: When we have incorrect contact, this diamond tester pen will have a flashing OR it will turn off. When you testing metal,skin,or something else.
  • [Warm Notice]:Make sure to test according to the correct testing procedure, avoid using the diamond tester on unsuitable items(metal,skin,water and ect.), to ensure accurate testing results. Any improper operation may affect the accuracy of the test.
  • [Package include]:1 x Diamond Tester Pen, 1X 60XJewelers Loupe,1x 1M USB Cabel,1 x Testing Platform,1 x User Manual



  • We offer FREE shipping on all orders!
  • Under normal circumstances, we try to ship all orders within three business days of payment, normally sooner.
  • We use a selection of shipping services such as TBA, UPS, FedEx, USPS, etc
  • We only ship to the lower 48 states, we do not ship to Alaska/Hawaii, US Protectorates, Puerto Rico, and PO Boxes.
  • Local pickups and combined shipping options are not available at this time.


  • Although we strive for 100% order fulfillment accuracy, mistakes happen. Please allow us the opportunity to correct any error before leaving us negative feedback.
  • We are confident in our products, but if you are not fully satisfied with your order, don't hesitate to get in touch with us within 30 days of purchase, and we will send you a return label. Once the item is returned we will issue you a full refund.
  • The product must be returned in the original item's box, and in the same condition as you received it.




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Customer satisfaction is our number one priority.
If you have any problems with your order, don't hesitate to get in touch with us and we will do our best to meet your needs.





If you have any questions, please don't hesitate to contact us. Please allow us 24 hours to respond, although normally we respond sooner.



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