---
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: "528 Lei"
currency: RON
in_stock: false
reviews_count: 6
category: "Hmkis"
url: https://www.desertcart.ro/products/345111906-diamond-tester-pen-jewelry-diamond-tester-with-60x-mini-led
store_origin: RO
region: Romania
---

# Thermal conductivity precision Battery powered, portable 60X LED magnification 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:** 528 Lei
**Availability:** ❌ Out of Stock

## Summary

> 💎 Test Like a Pro, Shine Like a Boss!

## 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?** 528 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/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

- • **60X Magnifying Power:** Inspect stones, coins, and antiques with bright LED illumination for flawless detail.
- • **User-Friendly Alerts:** Clear audio beeps and LED indicators make diamond testing intuitive for novices and experts alike.
- • **Compact & Travel-Ready:** Sleek pocket-sized design with protective faux leather pouch for on-the-go professionals.
- • **Dual-Hand Testing Accuracy:** Ensures reliable results by requiring two-hand operation to avoid false readings.
- • **Instant Diamond Verification:** Quickly distinguish real diamonds from fakes with precise thermal conductivity detection.

## Overview

The HMKIS Diamond Tester Pen is a portable, battery-powered device that uses thermal conductivity to accurately identify real diamonds versus simulants. Featuring a 60X LED magnifier and dual-hand testing for precision, it offers audible and LED feedback for easy interpretation. Compact and travel-ready with a protective pouch, it’s designed for both novices and experts seeking quick, reliable diamond verification.

## 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 |
| Are batteries included? | Yes |
| Batteries | 1 9V batteries required. (included) |
| Best Sellers Rank | #39,016 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #716 in Voltage Testers |
| Brand | HMKIS |
| Colour | Black |
| Country of Origin | China |
| Customer Reviews | 4.1 4.1 out of 5 stars (7,626) |
| Date First Available | 11 December 2020 |
| Global Trade Identification Number | 09070190994879 |
| Included Components | 1 Electric Circuit Testing Device |
| Item Dimensions LxWxH | 25.8 x 5.5 x 3.5 Centimeters |
| Item Height | 35 Millimeters |
| Item Weight | 120 g |
| Item Width | 5.5 Centimeters |
| Item dimensions L x W x H | 25.8 x 5.5 x 3.5 Centimeters |
| Item model number | HXK+FDJ |
| Lithium Battery Packaging | Batteries only |
| Manufacturer | HMKIS |
| Maximum Operating Voltage | 9 Volts |
| Measurement Type | Thermal Conductivity Scale (1-9) |
| Min. Operating Voltage | 9 Volts |
| Model number | HXK+FDJ |
| Net Quantity | 1.00 Count |
| Number of Memory Sticks | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 25.8 x 5.5 x 3.5 cm; 120 g |
| Specification Met | CE |
| Style | Portable,Simple |
| Upper Temperature Rating | 30 Degrees Celsius |
| Voltage | 9 Volts |

## 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)
![Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered - Image 2](https://m.media-amazon.com/images/I/516D0Vpp9TL.jpg)
![Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered - Image 3](https://m.media-amazon.com/images/I/91bTPy5SO6L.jpg)
![Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered - Image 4](https://m.media-amazon.com/images/I/51OSomKX3WL.jpg)
![Diamond Tester Pen, Jewelry Diamond Tester With 60X Mini Led Magnifying, Thermal Conductivity Meter, Diamond Selector For Novice And Expert, Battery Powered - Image 5](https://m.media-amazon.com/images/I/615gbyhCYrL.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

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-14*