--- product_id: 723086302 title: "PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres" brand: "presidium" price: "110.27 DT" currency: TND in_stock: false reviews_count: 5 url: https://www.desertcart.tn/products/723086302-presidium-electronic-gem-gemstone-diamond-tester-pgt-by-pres store_origin: TN region: Tunisia --- # PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres **Brand:** presidium **Price:** 110.27 DT **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres by presidium - **How much does it cost?** 110.27 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/723086302-presidium-electronic-gem-gemstone-diamond-tester-pgt-by-pres) ## Best For - presidium enthusiasts ## Why This Product - Trusted presidium brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description AN INDUSTRY LEADER The Presidium Gem Tester II is based on the invention of Professor Julian Goldsmid from the University of New South Wales in Australia. It was developed to distinguish between diamonds and its other simulants using the principles of thermal conductivity. The Presidium Gem Tester II with Assisted Thermal Calibration provides a quick and easy way to identify diamondsmoissanites and separates up to 16 common colored gemstones based on their thermal conductivity with its clear and direct analog display. NEW INCLUDED CALIBRATION FEATURE As PGT II works on the thermal conductivity of the gemstone, its measurement will be affected by the testing environment. WIth the improved function of Assisted Thermal Calibration (ATC), the user is now able to easily calibrate the tester according to the testing environment for a reliable and consistent reading. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000TD3G8Q | | Brand | Presidium | | Brand Name | Presidium | | Colour | Black | | Customer Reviews | 4.1 out of 5 stars 1,226 Reviews | | Item Dimensions | 19.8 x 11.4 x 9.7 Centimeters | | Item dimensions L x W x H | 19.8 x 11.4 x 9.7 Centimeters | | Manufacturer | Presidium | | Model Number | PGT-II | | Part Number | PGT/CSE | | Power Source | Corded Electric | | Power Source Type | Corded Electric | | UPC | 798804941239 730792705646 | ## Product Details - **Brand:** Presidium - **Colour:** Black - **Item dimensions L x W x H:** 19.8 x 11.4 x 9.7 Centimeters - **Power Source:** Corded Electric - **UPC:** 798804941239 730792705646 ## Images ![PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres - Image 1](https://m.media-amazon.com/images/I/51ZVHSzkWcL.jpg) ![PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres - Image 2](https://m.media-amazon.com/images/I/71aEbdFZ4hL.jpg) ![PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres - Image 3](https://m.media-amazon.com/images/I/61KlGzOuYTL.jpg) ![PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres - Image 4](https://m.media-amazon.com/images/I/61EF+PyPqwL.jpg) ![PRESIDIUM ELECTRONIC GEM GEMSTONE DIAMOND TESTER PGT by Pres - Image 5](https://m.media-amazon.com/images/I/71rvl4nhxQL.jpg) ## Questions & Answers **Q: What is the best presidium model?** A: I have the colored stone estimator model and like it very well. The duo meter is good for follow-up testing of colored stones,also. The main thing to remember is that you have to make several tests to verify a gemstone properly, such as a refractometer, etc. Presidium is top of the line. **Q: is there one now with a moissanite tester?** A: Yes that will the presidium duo model we have it available starting at 349 **Q: does this tool looks like the one on the picture? also does it work well?** A: Works well **Q: The red light won't stop flashing to indicate the tester is ready for calibration. What can I try to reset it?** A: As you stated, the Tester is ready for calibration. Please follow the calibration instructions in the little manual or go to the Presidium website. Good Luck!!! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by W***L on 20 May 2024* ### ⭐⭐⭐⭐⭐ Review *by B***R on 20 June 2024* ### ⭐ Review *by ا***ي on 17 May 2023* ## Frequently Bought Together - Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones - Heavy Duty Calcite Dichroscope Gemstone Tester Trichoic Pleochroic Colors Gemstone Identification Gemstones Gemological Testing Diamond Jeweler Tool Metal Body Gemology - Gem Identification Made Easy (6th Edition): A Hands-On Guide to More Confident Buying & Selling --- ## 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.tn/products/723086302-presidium-electronic-gem-gemstone-diamond-tester-pgt-by-pres](https://www.desertcart.tn/products/723086302-presidium-electronic-gem-gemstone-diamond-tester-pgt-by-pres) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-03*