--- product_id: 40181311 title: "Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones" brand: "presidium" price: "€ 637.58" currency: EUR in_stock: true category: "Presidium" url: https://www.desertcart.at/products/40181311-presidium-instruments-gem-indicator-pgi-handheld-tester-for-identifying-diamonds store_origin: AT region: Austria --- # Clear digital LED screen for easy reading Thinnest retractable probe tip for precision Results in under 6 seconds Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones **Brand:** presidium **Price:** € 637.58 **Availability:** ✅ In Stock ## Summary > 💎 Identify brilliance instantly—because your gems deserve the best. ## Quick Answers - **What is this?** Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones by presidium - **How much does it cost?** € 637.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/40181311-presidium-instruments-gem-indicator-pgi-handheld-tester-for-identifying-diamonds) ## Best For - presidium enthusiasts ## Why This Product - Trusted presidium brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Color Input Functionality:** Advanced color input separates gemstones with laser-like precision for confident identification. - • **Instant Gem Identification:** Get accurate results in less than 6 seconds—no more waiting, no more guessing. - • **Precision Probe Technology:** Thinnest retractable thermoelectric probe ensures consistent pressure and unmatched accuracy. - • **Ergonomic & Portable Design:** Sleek chrome-brushed grip with USB power option—designed for professionals on the move. - • **User-Friendly Digital Display:** Bright LED screen delivers crystal-clear results, testing 31 different gemstones effortlessly. ## Overview The Presidium Instruments Gem Indicator (PGI) is the industry’s most trusted handheld tester designed specifically for diamonds and colored gemstones. Featuring a retractable thermoelectric probe tip for precise pressure, a quick 6-second testing time, and a clear digital LED display, it identifies 31 different gemstones with advanced color input functionality. Its ergonomic design and USB power option make it the perfect tool for professionals seeking fast, reliable, and portable gem identification. ## Description desertcart.com: Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones : Arts, Crafts & Sewing ## Features - INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds. - THINNEST RETRACTABLE PROBE TIP | Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy. - VERSATILE AND RELIABLE | Color input function to further separate gemstones for more precise results. - EASY TO READ | Results are on a clear digital LED screen; Tests an extended range of 31 different gemstones. - ERGONOMIC | Sleek chrome-brushed ergonomic grip; USB port for alternative power and handheld for convenience. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06X979666 | | Best Sellers Rank | #329,881 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #101 in Jewelry Diamond Testers | | Customer Reviews | 3.6 3.6 out of 5 stars (62) | | Date First Available | June 3, 2016 | | Item Weight | 11.2 ounces | | Item model number | PGI | | Manufacturer | PRESIDIUM | | Package Dimensions | 8.1 x 3.4 x 2.4 inches | ## Images ![Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones - Image 1](https://m.media-amazon.com/images/I/71SIZ1xbSgL.jpg) ![Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones - Image 2](https://m.media-amazon.com/images/I/61NiCiPqSeL.jpg) ![Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones - Image 3](https://m.media-amazon.com/images/I/61xYoL8m17L.jpg) ![Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones - Image 4](https://m.media-amazon.com/images/I/61JEvo5ky6L.jpg) ![Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones - Image 5](https://m.media-amazon.com/images/I/61rgbr2vW1L.jpg) ## Questions & Answers **Q: how does it identify the gemstones as i see nowhere it will show anything in the above photo** A: You would place the probe tip against the stone you are testing, select the color of the stone in the window, and the tester will identify what it is. The screen is small, but all the information you need will be there **Q: Where can I find a list of the 31 gemstone this item can detect?** A: Glass, Iolite, Almandine, Pyrope, Spessartite, Aquamarine, Emerald, Goshenite, Helidor, Morganite, Tanzanite, Nephrite, Peridot, Jadeite, Paraiba, Rubellite, Tourmaline, Demantoid, Hessonite, Tsavorite, Chrysoprase, Amethyst, Aventurine, Citrine, Quartz, Spinel, Chrysoberyl, Topaz, Ruby, Sapphire, Diamond **Q: Can you test mounted stones?** A: You can test all kinds of stones! Loose, mounted, cracked, clear and even cloudy!!! **Q: Can it tell the difference between genuine diamonds and synthetic diamonds ?** A: Hello, No, it can not. It simply identifies the stones ## Frequently Bought Together - Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones - 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 Replacement Probe Pen PS2-2 for Presidium Gem Tester II (PGT II) and Duo Tester II (PDT II) --- ## 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.at/products/40181311-presidium-instruments-gem-indicator-pgi-handheld-tester-for-identifying-diamonds](https://www.desertcart.at/products/40181311-presidium-instruments-gem-indicator-pgi-handheld-tester-for-identifying-diamonds) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-19*