---
product_id: 164316371
title: "Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light)"
brand: "zjchao"
price: "£7.76"
currency: GBP
in_stock: true
reviews_count: 7
category: "Z Jchao"
url: https://www.desertcart.co.uk/products/164316371-diamond-tester-diamond-tester-with-flashlight-torch-pen-gemstone-identification
store_origin: GB
region: United Kingdom
---

# Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light)

**Brand:** zjchao
**Price:** £7.76
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light) by zjchao
- **How much does it cost?** £7.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/164316371-diamond-tester-diamond-tester-with-flashlight-torch-pen-gemstone-identification)

## Best For

- zjchao enthusiasts

## Why This Product

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

## Description

Review: Good seller - poor equipment
Review: Useless - No instructions, doesn’t switch on, no information on if batteries need to be added and if so, where and what size, I’m totally baffled. Will be returning.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZFY48NW |
| Best Sellers Rank | 103,734 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 405 in Electric Camping Lanterns |
| Brand | ZJchao |
| Colour | Blue & Purple |
| Country Of Origin | China |
| Customer Reviews | 3.4 out of 5 stars 24 Reviews |
| Item Dimensions | 10 x 10 x 10 millimetres |
| Item Weight | 0.02 Kilograms |
| Item dimensions L x W x H | 10 x 10 x 10 millimetres |
| Item weight | 0.02 Kilograms |
| Manufacturer | Alucy |
| Manufacturer Part Number | ZJchaomi516b8wq0-02 |
| Measurement Type | Voltmeter, Ohmmeter, Ammeter, or Multimeter |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Style | Modern |
| Style Name | Modern |
| UPC | 733297236486 |
| Unit Count | 1.0 gram |

## Product Details

- **Brand:** ZJchao
- **Colour:** Blue & Purple
- **Item weight:** 0.02 Kilograms
- **Power source:** Battery Powered
- **Style:** Modern

## Images

![Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light) - Image 1](https://m.media-amazon.com/images/I/61MZIbvGpXL.jpg)
![Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light) - Image 2](https://m.media-amazon.com/images/I/71eZ7X78nWL.jpg)
![Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light) - Image 3](https://m.media-amazon.com/images/I/713ea2P9u+L.jpg)
![Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light) - Image 4](https://m.media-amazon.com/images/I/61hx3aI-IVL.jpg)
![Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light) - Image 5](https://m.media-amazon.com/images/I/51JblbCIjOS.jpg)

## Questions & Answers

**Q: How does this test for diamonds?**
A: Dear buyer, Our diamond tester pen can directly display the light color effect under the tester of diamond and then to evaluate the quality of diamond.Works great!Hope this helps you.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good seller
*by R***I on 12 April 2025*

poor equipment

### ⭐ Useless
*by C***R on 9 December 2024*

No instructions, doesn’t switch on, no information on if batteries need to be added and if so, where and what size, I’m totally baffled. Will be returning.

### ⭐ Doesn't work
*by S***S on 4 December 2024*

Returned

## Frequently Bought Together

- Diamond Tester, Diamond Tester with Flashlight Torch Pen Gemstone Identification Pen Lighting Jewelry Identification Tool for Diamond Jade Stone Hardness Gems Testing Tool (Blue&Purple Light)
- 60mm Magnifier Calcite Dichroscope Two Pleochroic Colors Gemstone Identification Magnifier for Gems Jewerly Craftsmen, Jewerler, Hobbies
- YZYOE Six LEDs Rechargeable Gemstone Flashlight Jade Appraisal Light, Super Bright Jewelry Diamond Detector Lamp.

---

## 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.co.uk/products/164316371-diamond-tester-diamond-tester-with-flashlight-torch-pen-gemstone-identification](https://www.desertcart.co.uk/products/164316371-diamond-tester-diamond-tester-with-flashlight-torch-pen-gemstone-identification)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-05*