---
product_id: 563350173
title: "OUNA diamond tester, Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case for Novice Expert"
brand: "ouna"
price: "¥4660"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/563350173-ouna-diamond-tester-diamond-tester-pen-high-accuracy-diamond-selector
store_origin: JP
region: Japan
---

# Fast measurement Portable leather case High sensitivity probe OUNA diamond tester, Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case for Novice Expert

**Brand:** ouna
**Price:** ¥4660
**Availability:** ✅ In Stock

## Summary

> 💎 Unleash Your Inner Gemologist!

## Quick Answers

- **What is this?** OUNA diamond tester, Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case for Novice Expert by ouna
- **How much does it cost?** ¥4660 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/563350173-ouna-diamond-tester-diamond-tester-pen-high-accuracy-diamond-selector)

## Best For

- ouna enthusiasts

## Why This Product

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

## Key Features

- • **User-Friendly Operation:** Just turn on, wait, and test—it's that simple!
- • **Precision Meets Portability:** Experience high accuracy in a compact design.
- • **Durable Design for Longevity:** Crafted from solid ABS for lasting performance.
- • **Intuitive Testing Experience:** Beep and LED indicators make testing a breeze.
- • **Perfect for All Skill Levels:** Whether novice or expert, this tool is your go-to.

## Overview

The OUNA Diamond Tester is a high-accuracy gemstone testing tool designed for both novices and experts. Featuring a durable ABS housing and a high sensitivity alloy probe, it provides quick and precise measurements to distinguish diamonds from simulants. With an intuitive design that includes sound and LED indicators, this lightweight tester is perfect for on-the-go use, complete with a stylish leather case for easy storage and transport.

## Description

OUNA diamond tester, Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case for Novice Expert

## Features

- Good Material - It is made of solid durable ABS housing, high sensitivity alloy probe, rubber protective cap, well heat-conducting plate.
- Fast & Precise Measurement - A quick, accurate, safe way to distinguish diamond from the simulants, brings no harm to the diamond.
- Easy Use - Turn on, wait for heating up ready, hold(finger on heat-conducting plate), use the probe to make 90-degree contact with the measured object.
- Intuitive Design - Sound beep and LED lights straightforwardly indicates test result(beep & light: diamond, continuous buzzing sound: metal, no signs: simulants).
- Portable Size & Leather Bag - compact, lightweight diamond tester, powered by 1 x 9V 006p battery, comes with a leather case, for easy store, carry.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Included components | Case |
| Manufacturer | OUNA |
| Item Weight | 60 g |
| Package Dimensions | 19 x 6 x 4 cm; 60 g |
| Manufacturer reference | MA2308-E16823 |
| Color Name | Black |
| Material Type | Plastic |

## Product Details

- **Colour:** Black
- **Brand:** OUNA
- **Material:** Plastic
- **Item weight:** 60 Grams
- **Body material:** Acrylonitrile Butadiene Styrene

## Images

![OUNA diamond tester, Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case for Novice Expert - Image 1](https://m.media-amazon.com/images/I/51hzXrBgMKL.jpg)

## Frequently Bought Together

- OUNA diamond tester, Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case for Novice Expert
- TOSHIBA Heavy Duty 9V Battery

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**Shop now:** [https://www.desertcart.jp/products/563350173-ouna-diamond-tester-diamond-tester-pen-high-accuracy-diamond-selector](https://www.desertcart.jp/products/563350173-ouna-diamond-tester-diamond-tester-pen-high-accuracy-diamond-selector)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-11*