--- product_id: 345111906 title: "Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered" brand: "hmkis" price: "VT24700" currency: VUV in_stock: true reviews_count: 6 category: "Hmkis" url: https://www.desertcart.vu/products/345111906-diamond-tester-pen-jewelry-diamond-tester-with-60x-mini-led store_origin: VU region: Vanuatu --- # Thermal conductivity precision Battery powered, portable 60X LED magnification clarity Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered **Brand:** hmkis **Price:** VT24700 **Availability:** ✅ In Stock ## Summary > 💎 Test with confidence, inspect with precision—your pocket gem expert awaits! ## Quick Answers - **What is this?** Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered by hmkis - **How much does it cost?** VT24700 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/345111906-diamond-tester-pen-jewelry-diamond-tester-with-60x-mini-led) ## Best For - hmkis enthusiasts ## Why This Product - Trusted hmkis brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Travel-Ready:** Lightweight, pocket-sized design with protective faux leather pouch—perfect for on-the-go gemologists and jewelry managers. - • **Ergonomic Two-Hand Testing:** Designed for foolproof use by professionals and novices alike, ensuring reliable results every time. - • **Instant Diamond Verification:** Quickly identify real diamonds with audible beeps and LED indicators—never second guess authenticity again. - • **60X Mini LED Magnifier Included:** Inspect stones, coins, and antiques in vivid detail anytime, anywhere—even in low light conditions. - • **Precision Thermal Conductivity Meter:** Advanced sensor technology measures heat flow to distinguish genuine diamonds from imitations with scientific accuracy. ## Overview The HMKIS Diamond Tester Pen is a portable, battery-powered device that uses thermal conductivity to accurately distinguish real diamonds from simulants like cubic zirconia. Featuring a 60X LED magnifier for detailed inspection and intuitive two-hand operation, it offers quick, reliable results for both novices and experts. Compact and lightweight, it includes a protective pouch and is ideal for professionals seeking a convenient, on-the-go diamond verification tool. ## Description Diamond Selector II" is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing. Pocket with a handheld. Operation simple and accurate. Emit audible sounds to give accurate reading. Color: Black LED light and audio result indication Accurate and reliable reading Metal alert Simple calibration for stones of various sizes Testing Capability: Diamonds, Diamond simulation (e.g. CZ), Metal Dimensions: 6.5" x 1.5" x 0.75" (Depth) Weight: 5 Oz Initial warm-up time: ~ 20 sec. Indicator: Audio and LED lamps Power: One (1) 9V Battery(s) (included) 60X Microscope Magnifying Glasses Bright LED light of the Magnifying Glass provides enough light at any dim conditions; The pocket size is convenience to carry, you can use it in everywhere and every time. Compact Design Provides 60X Magnification. Color: Silver. Lens Material: Glass. Size: 3.7cm ×3.5Cm ×1.5cm (L*W*H). Currency Detecting Microscope Magnifying Power is 60X. With a Faux Leather Pouch, Can Protect it From Scratch, Attrition, Etc. The Pocket Size is Convenience to Carry, You Can Use it in Everywhere and Every time. Package Content: 1 x Diamond Tester 1 x 60X Microscope 1 x Leather Pouch Case 1 x Testing Platform 1 x User Manual 1 x 9V Battery Our products are all from factory direct supply, we can guarantee 100% inspection before shipping. If any problems of our products really exist, an exchange or a refund is available. Review: Don’t buy - Don’t buy Review: Misleading customers. - In the picture they show hmkis thermal conductivity pen + 60x manfying monocular. But package contains only thermal tester but NO magnifier. ## Features - Easy Use: You can just choose your diamond size and test after power on - Two Bare Hands Testing: All test must be done by TWO hands, one for hold the diamond and one for the diamond tester. As for the hand which hold diamond tester, you have to touch the electricity conductive panel on the back of the unit.If you test the diamond just by one hand, you will get a wrong result. - For Diamond: For testing diamond, it will emits beeping-beeping-beeping in a low frequency, 1 time/second. Meanwhile 1-4 pieces of the RED LAMP box of the level meter light on(the bigger the size of the stone is, the more pieces of the red lamp box of the level meter light up) - For Imitation: When Testing Imitation stone,such as cubic zirconium ( CZ ), crystal, glass, there will be no sound, and the red lamp won’t light. - Magnification: 60X led Magnification with batteries ( Small microscope ). For Gems, Coins, Antiques, Stamps, Reading, Inspection etc. - Moissanite & Real Diamonds:This diamond tester II can just distinguish diamond and fake diamond,but CAN NOT distinguish Moissanite & Real Diamonds ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08MTG5NHJ | | Best Sellers Rank | #43,415 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #772 in Voltage Testers | | Brand | HMKIS | | Brand Name | HMKIS | | Colour | Black | | Country of Origin | China | | Customer Reviews | 4.1 out of 5 stars 7,821 Reviews | | Global Trade Identification Number | 09070190994879 | | Included Components | 1 Electric Circuit Testing Device | | Is Assembly Required? | Yes | | Item Dimensions | 25.8 x 5.5 x 3.5 Centimeters | | Item Package Quantity | 1 | | Item Weight | 120 Grams | | Item dimensions L x W x H | 25.8 x 5.5 x 3.5 Centimeters | | Key Product Features | Easy Use: You can just choose your diamond size and test after power on, For Diamond: For testing diamond, it will emits beeping-beeping-beeping in a low frequency, 1 time/second. Meanwhile 1-4 pieces of the RED LAMP box of the level meter light on(the bigger the size of the stone is, the more pieces of the red lamp box of the level meter light up), For Imitation: When Testing Imitation stone,such… | | Manufacturer | HMKIS | | Maximum Operating Voltage | 9 Volts | | Measurement Type | Thermal Conductivity Scale (1-9) | | Minimum Operating Voltage | 9 Volts | | Model Number | HXK+FDJ | | Package Weight | 0.2 Kilograms | | Part Number | HMKIS | | Power Source | Battery Powered | | Power Source Type | Battery Powered | | Size | Jeweler Tester | | Specification Met | CE | | Style | Portable,Simple | | Style Name | Portable,Simple | | Title | HMKIS Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered | | Unit Count | 1.00 Count | | Upper Temperature Rating | 30 Degrees Celsius | ## Product Details - **Brand:** HMKIS - **Colour:** Black - **Item Weight:** 120 Grams - **Power Source:** Battery Powered - **Style:** Portable,Simple ## Images ![Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered - Image 1](https://m.media-amazon.com/images/I/61vMlTWwMBL.jpg) ## Questions & Answers **Q: Can it distinguish between real and fake diamonds?** A: YES! This diamond tester pen can distinguish between real and fake diamonds such as CZ, crystal and topaz, artificial sapphire, zircon. CAN'T DISTINGUISH diamond and moissanite！ **Q: Is it suitable for testing loose diamonds?** A: Yes, we can use this diamond tester pen to test loose diamond since there will be a platform for testing loose diamond **Q: Can This diamond tester pen be used to test Diamond jewelry？** A: Sure! You can use this diamond tester pen to test Diamond jewelry, such as diamond ring, diamond earrings, diamond necklace and so on. **Q: What is the power supply method of this diamond tester pen?** A: This diamond tester pen has two power supply method, one is the 9V battery and the other is USB Type-C power supply!But It is NOT rechargeable! **Q: Can I use this test something else,such as skin, glass, metal?** A: We don't suggest use this diamond tester to test something else, as it is a diamond tester pen. When we testing metal, the Level Meter will turn off suddently or it will flashing ## Customer Reviews ### ⭐ Don’t buy *by K***K on 1 June 2025* Don’t buy ### ⭐⭐ Misleading customers. *by M***H on 13 July 2023* In the picture they show hmkis thermal conductivity pen + 60x manfying monocular. But package contains only thermal tester but NO magnifier. ### ⭐ Magnifier is full of malfunctions *by A***E on 4 September 2024* One lens is missing in magnifier ## Frequently Bought Together - HMKIS Diamond Tester Pen, Professional Jewelry Diamond Tester with 60X Jewelry Loupe Magnifier, Diamond Selector for Novice and Expert (Non-Rechargeable) - Weigh Gram 200g Digital Pocket Gram Scale 0.01g Accuracy, 200g x 0.01g Mini Digital Grams Scale, Small Food Scale, Jewelry Scale, Ounces Grains Scale With100g Calibration Weight --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/345111906-diamond-tester-pen-jewelry-diamond-tester-with-60x-mini-led](https://www.desertcart.vu/products/345111906-diamond-tester-pen-jewelry-diamond-tester-with-60x-mini-led) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-04*