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Item #:
8518912
Presidium Gem Indicator
85% of respondents would recommend this to a friend
Item #:
8518912
CHF 382
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Imported from USA store
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Only 6 items left in stock.
Order now and get it around Thursday, September 17
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The only handheld digital tester in the industry specifically for colored gemstones, and tests for 31 types of gemstones
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What Stands Out
Accurate Testing
The Presidium Gem Indicator offers precise gem testing, ensuring accurate identification of diamonds and precious stones, which is crucial for jewelers and gemstone enthusiasts to verify authenticity.
User-Friendly Design
With its intuitive interface and easy-to-read display, the Presidium Gem Indicator allows users of all experience levels to conduct gem assessments quickly and confidently.
Durability
Built with high-quality materials, the Presidium Gem Indicator is designed to withstand regular use in both professional and personal settings, providing reliable performance for years to come.
Product Details
- Handheld digital tester for colored gemstones
- Tests for 31 types of gemstones
- Features color input function for more accurate results
- Easy-to-read clear digital LED screen
- Comes with refined changeable probe tip to minimize downtime
- Simple to use, easy to maintain, and provides quick intelligent results
| Brand Name | Presidium |
| Part Number | 56-7903:100000:T |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Jewelry Retailers
Perfect for jewelers needing an accurate and portable tool to verify the authenticity of gemstones during transactions.
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Gem Enthusiasts
Ideal for hobbyists who require a reliable way to differentiate between genuine and fake gemstones in their collections.
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Appraisers
Beneficial for gem appraisers who need a quick and efficient method to assess gemstone quality and authenticity.
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Casual Users
Not suitable for individuals who lack knowledge about gemology and may misinterpret the device's readings.
Product Description
About This Item
Introducing the Presidium Gem Indicator - the ultimate handheld gemstone tester designed exclusively for colored gemstones. With its advanced thermal conductivity technology, this digital tester can identify up to 31 different types of colored gems, making it the go-to tool for gemstone enthusiasts, jewelers, and appraisers. Featuring a user-friendly interface and a clear digital LED screen, the Presidium Gem Indicator delivers accurate and reliable results. But what sets it apart is the color input function, allowing users to select from a range of 12 common colors.
This feature ensures even more precise identification of gemstones, giving you complete confidence in your evaluations. Built with convenience in mind, the Presidium Gem Indicator boasts a patented refined changeable probe tip, ensuring minimal equipment downtime. With its portable design, you can easily bring this handheld gemstone tester wherever you go, making it perfect for gemstone dealers or anyone who needs to verify gemstone authenticity on the spot. The Presidium Gem Indicator is an enhanced and more convenient version of the renowned Presidium Gem Tester/Colored Stone Estimator. Its innovative design consists of two linked thermometers; one heated electronically and the other cooled by the gemstone being tested.
The temperature difference creates an electrical output, which is then amplified and displayed on the digital OLED screen. Using the Presidium Gem Indicator is a breeze. Simply place the gemstone on the probe, wait for the reading to stabilize, and review the results displayed on the screen. Thanks to its user-friendly interface, you can easily navigate through the different gemstone identifications and color options. This gemstone tester is not only easy to use but also easy to maintain.
With regular calibration and proper care, you can rely on the Presidium Gem Indicator for accurate gemstone testing for years to come. Plus, with its durable construction and solid build quality, this tester is built to withstand the rigors of everyday use. The Presidium Gem Indicator is a must-have tool for any gemstone enthusiast, jeweler, or appraiser. Whether you need to authenticate gemstones, assess their quality, or verify their certification, this handheld gemstone tester is your go-to solution. Don't settle for guesswork when it comes to gemstone testing.
Invest in the Presidium Gem Indicator and unlock the power to accurately identify, verify, and appraise colored gemstones with confidence.
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Customer Questions & Answers
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Question:
What is a Presidium Gem Indicator?
Answer: The Presidium Gem Indicator is a sophisticated tool designed for gemologists and jewelers to determine the authenticity and type of gemstones. Using advanced technology, it accurately distinguishes between natural and synthetic stones, utilizing their refractive index and thermal conductivity. This makes it an invaluable asset for professionals in the jewelry industry, helping them make informed decisions about gem purchases and evaluations. -
Question:
How does the Presidium Gem Indicator work?
Answer: This device operates by measuring the thermal conductivity of gemstones. Different stones dissipate heat at varying rates, which the Presidium Gem Indicator precisely calculates. It outputs results on an easy-to-read display, allowing users to quickly identify the gem type. This is especially useful for jewelers and appraisers who need rapid assessments for sales or appraisals. -
Question:
Who should use the Presidium Gem Indicator?
Answer: The Presidium Gem Indicator is ideal for gemologists, jewelers, and anyone involved in the gemstone trade. Professionals who assess, buy, or sell gemstones will benefit greatly from this tool, as it ensures they are dealing with authentic materials. It's also helpful for collectors looking to verify their items, ensuring confidence in their investments. -
Question:
What types of gemstones can the Presidium Gem Indicator test?
Answer: This device is capable of testing a wide variety of gemstones, including diamonds, sapphires, and emeralds, among others. Its advanced technology ensures it can differentiate between various types of stones, including natural and synthetic ones. This versatility makes it an essential tool for jewelers who work with diverse gemstone collections. -
Question:
Is the Presidium Gem Indicator portable?
Answer: Yes, the Presidium Gem Indicator is designed for portability, making it convenient for on-site evaluations. Its compact size allows gemologists to carry it to exhibitions, trade shows, or client meetings, ensuring they have reliable testing capabilities whenever needed. This feature enhances its usability in various settings where immediate gem identification may be required. -
Question:
Can the Presidium Gem Indicator be used for diamonds?
Answer: Absolutely! The Presidium Gem Indicator is specially calibrated to differentiate diamonds from other stones. This makes it a crucial tool for those in the jewelry industry who need to confirm diamond authenticity before purchases or sales. Using this device can prevent costly mistakes when evaluating high-value gemstones like diamonds. -
Question:
How accurate is the Presidium Gem Indicator?
Answer: The Presidium Gem Indicator is known for its high accuracy, making it a trusted choice among professionals. It utilizes reliable scientific principles to measure gemstones' thermal properties, resulting in precise identification. Users can depend on its accuracy to avoid misidentifications, ensuring that they make informed decisions in the gemstone marketplace. -
Question:
What features does the Presidium Gem Indicator have?
Answer: Key features of the Presidium Gem Indicator include a digital display for easy readings, an ergonomic design for comfortable handling, and the ability to test various gemstones. Some models even offer advanced settings for specialized testing. These features make it user-friendly while providing reliable assessments, further enhancing its reputation among gem enthusiasts. -
Question:
Is training required to use the Presidium Gem Indicator?
Answer: While the Presidium Gem Indicator is user-friendly, having basic knowledge of gemstone properties and gemology may enhance the experience. Familiarity with how thermal conductivity varies among gemstones will help users interpret results accurately. Many professionals find that a brief training session or a manual can improve their efficiency when using the device. -
Question:
Where can I buy the Presidium Gem Indicator in Switzerland?
Answer: You can buy the Presidium Gem Indicator in Switzerland on Ubuy. They offer a range of options for purchasing this essential tool, ensuring you have access to a reliable source that caters to your needs if you're seeking quality and authenticity in your gemstone evaluation.
Presidium Electronic Indicators Editorial Review
The Presidium Gem Indicator is a reliable tool for gem identification, weighing just 1 lb (450 grams), making it easy to handle. This device offers gemologists and enthusiasts the reliability they need in determining the authenticity of gems. Users appreciate its accuracy and the convenience it brings to gem assessment. The brand Presidium is recognized for quality, ensuring that this tool meets the professional standards required in the industry.
Customer Reviews & Ratings
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Pros
- Lightweight and easy to use for gem identification
- Reliable tool for gem testing accuracy
- Brand reputation for quality and performance
- Great for both professionals and enthusiasts
- Compact design for easy portability
Cons
- Limited information on advanced features
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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CHF 382
Order now and get it around Thursday, September 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 6 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Indicates up to 31 different types of colored gems based on their thermal conductivity
- Features a color input function that allows users to select from a range of 12 common colors
- Comes with Presidium patented refined changeable probe tip
- Handheld version of the revolutionary Presidium Gem Tester/Colored Stone Estimator
- Easy to use, maintain and quick in giving you intelligent results about your colored gemstones
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