---
product_id: 648829166
title: "Gain Express Diamond Tester with Ultraviolet Uv Light"
brand: "gain express"
price: "€ 161.83"
currency: EUR
in_stock: false
reviews_count: 5
category: "Gain Express"
url: https://www.desertcart.fr/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light
store_origin: FR
region: France
---

# Detects diamonds ≥ 2pt Built-in UV fluorescence light Multi-level volume calibration Gain Express Diamond Tester with Ultraviolet Uv Light

**Brand:** gain express
**Price:** € 161.83
**Availability:** ❌ Out of Stock

## Summary

> 💎 Shine brighter with the ultimate diamond truth-teller!

## Quick Answers

- **What is this?** Gain Express Diamond Tester with Ultraviolet Uv Light by gain express
- **How much does it cost?** € 161.83 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light)

## Best For

- gain express enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Experts:** The go-to choice for jewelers, pawn brokers, and retail chains seeking reliable diamond verification.
- • **Compact & Lightweight:** At just 150g and pocket-friendly dimensions, it’s perfect for on-the-go professionals.
- • **UV Fluorescence Testing:** Integrated ultraviolet light reveals the unique fluorescent reaction of genuine stones.
- • **Customizable Sensitivity:** Multi-level volume calibration adapts seamlessly to stones of varying sizes for flawless testing.
- • **Precision Diamond Detection:** Quickly distinguishes real diamonds from simulants and metals with pinpoint accuracy.

## Overview

The Gain Express Diamond Tester with Ultraviolet UV Light is a compact, lightweight device designed for rapid and reliable identification of authentic diamonds down to 2 points. Featuring advanced multi-level volume calibration and built-in UV fluorescence testing, it’s the preferred tool for jewelers and retailers aiming to eliminate uncertainty and boost confidence in diamond verification.

## Description

Gain Express Diamond Tester with Ultraviolet Uv Light : desertcart.in: Jewellery

Review: Very easy to use. Good price.
Review: Schnell seriös und zuverlässig

## Features

- Equipped with light to test the fluorescent reaction of stones
- Flexible calibration with multi-level volume to match stones of different sizes
- Quickly distinguishes authentic diamond from all models of diamond simulants and metals. Distinguish stones as small as 2pt
- It's the easiest answer for the vast majority of retailer jewelers, pawn brokers, and chain stores when faced with the decision of which diamond selector to buy
- It works reliably and shares the most advanced diamond selection technology on the market.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00MNEB0U0 |
| Best Sellers Rank | #686,178 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #158 in Jewelry-Making Tools |
| Item Dimensions LxWxH | 17.8 x 7.6 x 5.1 Centimeters |
| Item Weight | 150 g |
| Item model number | JEM-II |
| Manufacturer | Gain Express Holdings Ltd. |

## Images

![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 1](https://m.media-amazon.com/images/I/31VTh5f9yQL.jpg)
![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 2](https://m.media-amazon.com/images/I/4193c8TtazL.jpg)
![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 3](https://m.media-amazon.com/images/I/41KZBQ3UcKL.jpg)
![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 4](https://m.media-amazon.com/images/I/41lSYBEBRSL.jpg)
![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 5](https://m.media-amazon.com/images/I/41o55QJeG4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by W***M on 3 April 2025*

Very easy to use. Good price.

### ⭐⭐⭐⭐⭐ Review
*by G***R on 6 July 2025*

Schnell seriös und zuverlässig

### ⭐⭐⭐ Review
*by A***A on 24 June 2018*

Hay que insistir. El aparato funciona porque lo hemos probado con joyas que sabíamos que eran buenas y otras que sabíamos que no. Pero y tengo que decir que hay veces que pita y otras que no en la misma piedra o sea que cuidado con dar por malo algo que puede ser un brillante, mejor repetir la operación unas cuantas veces porque le cuesta. Eso sí, si la piedra es mala no va a pitar lo pongas como lo pongas.

## Frequently Bought Together

- Gain Express Diamond Tester Pen, High Accuracy Jewelry Diamond Tester Professional Diamond Selector for Novice and Expert Jewelry Diamond
- Professional Gold, Silver, Platinum Jewelry Testing Kit with Stone Instructions and Box with 30X Eye Loupe Magnifier Precious Metals 10K 14K 18K 24K 999 925 Scrap
- Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

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**Shop now:** [https://www.desertcart.fr/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light](https://www.desertcart.fr/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-26*