---
product_id: 700043172
title: "Diamond Tester Pen Rechargeable with UV Light,High Accuracy Jewelry Diamond Tester,Electronic Diamond Gem Tester and Tester Pen-Diamond Selector for Novice and Expert(Diamond Tester Pen)"
brand: "hqdz"
price: "20200 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/700043172-diamond-tester-pen-rechargeable-with-uv-light-high-accuracy-jewelry
store_origin: HU
region: Hungary
---

# High-accuracy diamond detection Clear LCD & LED indicators Rechargeable via USB-C Diamond Tester Pen Rechargeable with UV Light,High Accuracy Jewelry Diamond Tester,Electronic Diamond Gem Tester and Tester Pen-Diamond Selector for Novice and Expert(Diamond Tester Pen)

**Brand:** hqdz
**Price:** 20200 Ft
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Diamond Tester Pen Rechargeable with UV Light,High Accuracy Jewelry Diamond Tester,Electronic Diamond Gem Tester and Tester Pen-Diamond Selector for Novice and Expert(Diamond Tester Pen) by hqdz
- **How much does it cost?** 20200 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/700043172-diamond-tester-pen-rechargeable-with-uv-light-high-accuracy-jewelry)

## Best For

- hqdz enthusiasts

## Why This Product

- Trusted hqdz brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe & Non-Invasive:** Thermal conductivity testing guarantees zero damage to your precious stones, perfect for pros and hobbyists alike.
- • **Rechargeable & Ready:** USB-C rechargeable battery means no downtime—always powered for your next appraisal or purchase.
- • **Customizable Carat Settings:** Adjust testing sensitivity for stones from 0.5 to 4 carats, ensuring flawless accuracy every time.
- • **Effortless One-Touch Testing:** No expertise needed—just press the tip to your gem and get a beep confirming real diamonds in seconds.
- • **Precision at Your Fingertips:** Intuitive LCD display and LED indicators deliver instant, crystal-clear diamond authenticity results.

## Overview

The Diamond Tester Pen is a rechargeable, high-accuracy electronic tool designed for quick and safe diamond verification. Featuring an intuitive LCD and LED display, it offers customizable carat settings and audible alerts to distinguish real diamonds from simulants. Ideal for professionals and enthusiasts, it ensures precise, non-invasive testing with USB-C convenience.

## Description

Full description not available

## Features

- ✅💎Intuitive Design Quick and Safe - Our diamond tester features an LCD display and LED indicator make it easy to read your precise testing results. Designed for quick, precise, and safe diamond testing, this diamond selector tester ensures that there is no harm to diamonds during the testing process. providing accurate results every time. Popular among professionals, hobbyists, coin enthusiasts, and business owners alike. Excellent tools. Excellent Value. Great gift idea.
- ✅💎Effortless Testing - Key operation, at a glance.No need for a professional - the Hqdz 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.If it's Real Diamond.The professional Diamond Tester will lighted up over 9 and emits audible sounds. No reaction means the stone is a fake crystal or simulant like cubic zirconium (CZ).
- ✅💎Key operation,Simple to Usem - Please put the pen tip vertically and gently on the test stone.Please adjust according to the size of the stone to be measured. Instrument up/down button, according to the number of carats displayed below the instrument adjustment, you do not need to set the exact number of carats.But remember, for diamonds (greater than 1.0 carats), please turn on 1 green light; For diamonds (0.5 carats), turn on 2 green lights. For small gems (such as cuts or cones), turn on 3-4 green lights. (Please pay special attention not to touch the keys on the instrument during testing)
- ✅💎High-Frequency Sound when Testing Metal -The high-frequency sound during metal testing is due to the test pen's operational principle, which relies on thermal conductivity to distinguish between diamonds and fake gemstones. Since metal possesses thermal conductivity similar to diamonds, it generates a high-frequency sound during testing.[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.
- ✅💎Easy to use - [Adjust Size]:We have to choose the diamond size before using the diamond tester.Otherwise we may get the incorrect result.[Bare Hands Operation 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.
- ✅💎[Package include]:1 x Diamond Tester Pen, 1x 1M USB Cabel,1 x Testing Platform,1 x User Manual

## Images

![Diamond Tester Pen Rechargeable with UV Light,High Accuracy Jewelry Diamond Tester,Electronic Diamond Gem Tester and Tester Pen-Diamond Selector for Novice and Expert(Diamond Tester Pen) - Image 1](https://m.media-amazon.com/images/I/61+GOPQbriL.jpg)

## Frequently Bought Together

- Professional Rechargeable Diamond Tester Pen with UV Light,High Accuracy Jewelry Diamond Tester,Electronic Diamond Gem Tester and Tester Pen-Diamond Selector for Novice and Expert(Diamond Tester Pen)
- JARLINK 30X 60X Illuminated Jewelers Loupe Magnifier, Foldable Jewelry Magnifier with Bright LED Light for Gems, Jewelry, Coins, Stamps, etc

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**Shop now:** [https://www.desertcart.hu/products/700043172-diamond-tester-pen-rechargeable-with-uv-light-high-accuracy-jewelry](https://www.desertcart.hu/products/700043172-diamond-tester-pen-rechargeable-with-uv-light-high-accuracy-jewelry)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-28*