The 4 Best precious gemstone testers (2023 reviews)

precious gemstone testers
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Are you planning to buy precious gemstone testers, and are you confused about the options ? You have landed on the right page.

Our review process:

Our Top Picks:

Ketar precious gemstone Tester
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Smartpro precious gemstone Tester
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TMISHION precious gemstone Tester
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Salmue precious gemstone Tester
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Ketar precious gemstone Tester

Ketar precious gemstone Tester
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Simple calibration for stones of various sizes the jewelry tester silver and diamond tester are easy to use even for a new beginner, tester electronic pen is also a great tool to have when testing your own jewelry. The gem and diamond tester is designed to indicate genuine diamond or fake, working time is about 2 hours of continuous use.

The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick. The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal conductivity of diamond, the fake crystal, and a simulant such as cubic zirconia does not have any reaction. You will be able to know in a few seconds whether an item is fake or not, there are the LED indicator and the audible signal a red light will be displayed and an audible indicator will sound if the stone is a real diamond. It comes with a vinyl protection case.

Why We Like This:
  • Easy to operate jade jewelry tester
  • Great little tester that comes with little vinyl protection case
  • Excellent product to detect validation of stones
  • Wide uses of electronic diamond tester

Smartpro precious gemstone Tester

Smartpro precious gemstone Tester
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Smartpro offers a variety of tester for personal choice and yet maintaining quality in all the variants. It is a remarkable designed gemstone tester with color estimator display for smoothly and seamlessly testing your precious stone and diamond. It is developed to distinguish between diamond and its other simulants using the principles of thermal conductivity. It is heated electronically, while the other is cooled by the gemstone being tested. It is designed with a USB connection to probe and very intuitive operation. It will help determine if something falls into the ruby vs garnet category. It is used for faceted stones indoors.

It is designed to distinguish between diamond and its other simulants using the principles of thermal conductivity. While automatic shut off is a nice feature it does work kind of quickly.

Why We Like This:
  • Portable tester that can be used anywhere
  • Needle points to glass just by waving the pen around
  • Best used for faceted stones indoors
  • Identifies metals, simulants and diamonds instantly

TMISHION precious gemstone Tester

TMISHION precious gemstone Tester
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Best part: tmishion precious gemstone tester costs comparatively low and it is available to ship in 24 hours. This Yotown V2 Mosang Stone Detection Pen is a portable electronic device that distinguishes real diamonds from other similar stones. The Yotwn alloy probe accurately measures the conductivity of precious stones. Press the button, the machine turns green and no alarm sounds for diamonds, a red light and an alarm for moissanite. It can select the moissanite from the real diamond. It will automatically alarm if the battery is too low.

The items you test are clean, dry, and at room temperature. It is very sensitive and should be protected with a cover when not in use.

Why We Like This:
  • A technical plastic body, more robust and lightweight
  • Easy to operate and accurate test
  • Delivers what they promise

Salmue precious gemstone Tester

Salmue precious gemstone Tester
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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate tester. The salmue precious gemstone tester is exactly that - it's a simple tester that hits all the right notes. The tester offers a highly compact design that is ideal for buying jewelry, buying / exchanging diamonds, selling real estate, auctions, etc. It is lightweight, compact (size of credit card) and easy to transport. It is equipped with a pu bag and a small test tray to hold loose stones. It will make continuous buzzing sound when the user accidentally touches metal rather than stone. It is suitable for carrying when going out for appraisal.

It is a real diamond, and a green indicator will be displayed. If it is for correct testing, it is recommended that you take a calibration adjustment after annual maintenance.

Why We Like This:
  • Designed for rapid, accurate and safe diamond testing
  • Simple calibration of precious stones of all sizes is easy for beginners
  • Delivers what they promise