The 2 Best Presidium gem testers (2023 reviews)
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Presidium gem Tester Buy: READ REVIEWPresidium Diamondmate Diamond Tester Buy: READ REVIEWPresidium gem Tester
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Compared with other products by Presidium, the presidium gem tester has a convenient design. The Presidium gem tester ii provides a quick and easy way to identify diamonds / moissanites and separates up to 16 common colored gemstones based on their thermal conductivity with its clear and direct analog display. It allows you to touch the gem while avoiding the setting. It can be anything from a different stone that's been colored, all the way to colored/dyed glass. It's certainly not industrial grade equipment, but good for the jewelry collector/reseller/buyer.
This gemstone tester is limited in that it can't tell you whether a gem is lab-created or natural,it makes no distinction in that regard. It's easy to use, although sometimes the calibration can be tricky. The tester will let you know that the stone is one of those. It comes with a soft case. This device is an excellent tool for anyone but a big plus for boutiques.Why We Like This:
- Good product, easy to calibrate and accurate
- Redesigned to be more compact, sturdy and portable
- Affordable, portable and easy to use, but has accuracy issues
- Come in colors that can imitate a lot of natural stones
Presidium Diamondmate Diamond Tester
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Presidium has been making great tester for years, thanks to a combination of clever design and appropriate materials. The Diamondmate diamond tester, like a thermal conductivity tester, can not eliminate synthetic moissanite. It comes with rechargeable batteries. This model requires 3 AAA batteries. It is made with gem mounting. The diamondmate diamond tester utilizes a proven thermal conductivity testing method to instantly verify the authenticity of diamonds. It can be sensitive too if you do not place properly on the smaller diamonds.
This tester is a bit akward to see the results over the finger movements while testing. It is easy to leave on or accidentally turn on. It comes also with a very nice storage pouch with a little slot inside to store the batteries when not in use.Why We Like This:
- Instant recovery time in between tests
- Works great and was accurate every time
- Works great no issues at all
- Easy to use and works well