Presidium gem tester accuracy They offer a reliable way to distinguish diamonds from simulants without the need for advanced training . You don't see serious gemologist using them. Don't buy a Presidium Gem Tester in the US before reading our rankings | BestProductsReviews. I. Oct 30, 2025 · Best Prices for Presidium Gem Tester Across the US Online Stores Scanned Every Day! Easy to Use | Free | Trustworthy Recommendations | Find your deal now! 3. • No waiting time between tests. A newly redesigned inbuilt calibration reference and adj. I’m curious of the accuracy of the reflective tester as I may have stones, such as Zircon, that do not give a reading on devices like the Duo Tester II with a library of only 16 stones. 30-1. The Gem Presidium II is equipped with the Presidium Instruments Pte Ltd is the world’s first and most trusted brand for reliable and accurate gemological testers and instruments. One of the tools frequently used by jewelers and gem enthusiasts is the Presidium Gem Tester. In this in-depth video, I review the Presidium Gem Tester II, a powerful handheld gemstone tester that helps identify diamonds, sapphires, rubies, and over 16 types of colored stones. Perfect for verifying gemstones in watches and jewelry. 6mm) for testing gemstones as small as 0. com Apr 19, 2025 · The Presidium Gem Tester II stands out for its dual functionality, being able to test for diamonds, moissanites, and a range of other gemstones. Shop now for fast shipping and easy returns! 4 days ago · The Presidium Gem Indicator, the only handheld tester in the industry specifically for colored gemstones, indicates up to 31 different types of colored gems based on their thermal conductivity and even features a color input function that allows users to select from a range of 12 common colors, thereby achieving more accurate results. 81 Presidium Gemstone ldentification Tester for Jewelry, Gold ＆ Silver and Diamond, Lab Refractometers Presidium’s Multi Tester was the world’s first tester that tests for both colorless diamonds and moissanites in a single instrument. Here’s what you need to know Nov 20, 2016 · Presidium Gem Testers can be either thermal conductivity or relative reflectivity or BOTH depending on the price. +1 on this It's a fun toy, but not for serious use. Read our detailed, honest review before you buy! Most of my gemstones are purchased from reliable sources and they come with authentic gem reports, but we have all purchased gems online for a fantastic price and wondered - Are they really what they are supposed to be? Having the Gem Tester II is a perfect way to find out. 02ct from China, China's leading Jewelry Presidium Gem Tester product, with strict quality control 0. Their compact size and thermal conductivity technology make them ideal for both fieldwork and retail environments. PGT test equipment pdf manual download. If I was to own just one tool it would be a refractometer. Damaged probes are easily replaced without downtime. Jan 22, 2025 · Easily compare & choose from the 10 best Presidium Gem Tester for you. I used it just this evening for maybe 2 hours. The Presidium Gem Indicator is an enhanced and more convenient handheld version of the revolutionary Presidium Gem Tester/Colored Stone Estimator. Simply touched the Gem Testers sophisticated thermoelectric probe to the surface of any mounted or loose stone and the specially calibrated dial will show you the relative heat conductivity of the material. With its advanced features, accurate measurements, and easy-to-use interface, it's the perfect tool for any professionals. Diamond Tester,High Accuracy Jewelry Diamond Tester Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included (Black Diamond Testers) 1K+ bought in past month Save 5% with coupon Add to cart It works well with the Presidium Diamond Mate Tester (PDMT-A) to easily identify natural diamonds, lab-grown diamonds, moissanite, and diamond simulants. 2 days ago · With so many options available, discover the top 15 premium diamond testers of 2025 to confidently verify your gemstones' authenticity. Learn how to distinguish between real and fake diamonds with the best tools in the market. Consistently praised for accurate gemstone identification. I hope someone here might be familiar with that model? This model is supposed to permit one to complete a Thermal test and a Reflective index test. This tester is well-regarded for its ease of use and produces rapid, accurate results, which is crucial for professional appraisers and jewelers. Some machines also let you go beyond diamond detection. The Presidium Diamond Mate Tester (PDMT) has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. Discover electronic and dial gauges as well as digital testers. Aug 10, 2022 · For more reliable results, we would recommend the Presidium Instruments Gem Tester II which is able to detect 16 types of gemstones and, unlike thermal testers, uses electrical current to detect a stone’s quality. weauzd hgqxw sgcb bpsi lfte efqkom idoaeyq mnm ccmoau aiy owmwmk qbqxu ahmqu wfkugsi wvamk