---
product_id: 409391404
title: "StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester"
brand: "stillcool"
price: "€ 61.05"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/409391404-stillcooldiamond-tester-high-accuracy-diamond-tester-pen-diamond-tester-professional
store_origin: NL
region: Netherlands
---

# Real vs Simulant High Accuracy 9V Power StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester

**Brand:** stillcool
**Price:** € 61.05
**Availability:** ✅ In Stock

## Summary

> 💎 Unleash Your Inner Gemologist!

## Quick Answers

- **What is this?** StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester by stillcool
- **How much does it cost?** € 61.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/409391404-stillcooldiamond-tester-high-accuracy-diamond-tester-pen-diamond-tester-professional)

## Best For

- stillcool enthusiasts

## Why This Product

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

## Key Features

- • **Instant Results:** Get immediate feedback on your gemstones—no waiting required!
- • **Portable Design:** Lightweight and compact, perfect for on-the-go gem enthusiasts.
- • **Safe & Reliable:** Distinguishes real diamonds from simulants like cubic zirconia effortlessly.
- • **Precision Testing:** Experience unmatched accuracy with our advanced diamond detection technology.
- • **User-Friendly Interface:** LCD display and LED indicators make testing a breeze.

## Overview

The StillCool Diamond Tester is a professional-grade tool designed for quick and accurate identification of real diamonds versus simulants. Featuring a user-friendly LCD display and LED indicators, this portable device ensures you can test gemstones safely and efficiently. Powered by a 9V battery (not included), it’s the perfect companion for jewelers and gem enthusiasts alike.

## Description

StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester

## Features

- LCD display & LED indicator.
- It is designed for quick, precise, and safe diamond testing.
- Portable electronic device for distinguishing real diamonds from other simulated stones.
- If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
- Powered by DC 9V battery x 1 (Not Included)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | StillCool |
| Model Number | STE13420001 |
| Color | Diamond Tester - Black |
| Package Dimensions | 18.49 x 5.59 x 3.61 cm; 109 Grams |
| Voltage | 9 Volts |
| Material | Stone |
| Item Weight | 109 g |

## Product Details

- **Brand:** StillCool
- **Power Source:** Battery Powered
- **Style:** Electronic
- **Color:** Diamond Tester - Black
- **Item Weight:** 110 Grams

## Images

![StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester - Image 1](https://m.media-amazon.com/images/I/71Gv0znFVjL.jpg)
![StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester - Image 2](https://m.media-amazon.com/images/I/61JKvrUNiaL.jpg)
![StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester - Image 3](https://m.media-amazon.com/images/I/51+2OqfNOdL.jpg)
![StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester - Image 4](https://m.media-amazon.com/images/I/61Ni6JiflfL.jpg)
![StillCoolDiamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester - Image 5](https://m.media-amazon.com/images/I/61K-RYzDX5L.jpg)

## Frequently Bought Together

- StillCool Diamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester
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**Shop now:** [https://www.desertcart.nl/products/409391404-stillcooldiamond-tester-high-accuracy-diamond-tester-pen-diamond-tester-professional](https://www.desertcart.nl/products/409391404-stillcooldiamond-tester-high-accuracy-diamond-tester-pen-diamond-tester-professional)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*