--- product_id: 648829166 title: "Gain Express Diamond Tester with Ultraviolet Uv Light" brand: "gain express" price: "701 zł" currency: PLN in_stock: false reviews_count: 5 category: "Gain Express" url: https://www.desertcart.pl/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light store_origin: PL region: Poland --- # Detects diamonds ≥ 2pt Built-in UV fluorescence light Multi-level volume calibration Gain Express Diamond Tester with Ultraviolet Uv Light **Brand:** gain express **Price:** 701 zł **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?** 701 zł with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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 Product Description Review: Macchina prova diamante - Discreto qualità prezzo Review: Good product for the price. ## 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/5123qVp9KAL.jpg) ![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 2](https://m.media-amazon.com/images/I/713ep6Se39L.jpg) ![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 3](https://m.media-amazon.com/images/I/71Il4Tdr3RL.jpg) ![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 4](https://m.media-amazon.com/images/I/71nSf2iqVDL.jpg) ![Gain Express Diamond Tester with Ultraviolet Uv Light - Image 5](https://m.media-amazon.com/images/I/617Xh2JHOiL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Macchina prova diamante *by P***A on 25 January 2026* Discreto qualità prezzo ### ⭐⭐⭐⭐⭐ Good product for the price. *by W***M on 3 April 2025* ### ⭐⭐⭐⭐⭐ Tolles Produkt *by G***R on 6 July 2025* Schnell seriös und zuverlässig ## 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 --- ## 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.pl/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light](https://www.desertcart.pl/products/648829166-gain-express-diamond-tester-with-ultraviolet-uv-light) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-08*