The 5 Best gem testers For all stone (2023 reviews)

• Date : August 17, 2023
• Categories : Jewelry Diamond Testers

It is important to have the well suited gem tester for all stone. In the following post, we will help you to select the best gem tester for all stones.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: HMKIS gem Tester For all stone READ REVIEW

Best Runner up: Buy: Hqdz Diamond Tester READ REVIEW

Best For blue topaz: Buy: Presidium gem Tester For all stone READ REVIEW

Best For estate sales tag sales: Buy: Hqdz gem Tester For all stone READ REVIEW

Best Easy To Use: Buy: Presidium Diamondmate Diamond Tester READ REVIEW

Best Overall: HMKIS gem Tester For all stone

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The tester is a must have add-on for your regular usage. If you love jewelry, this is a good tool to have on your hands & don’t want to get scammed. It can tell you if a stone is a real diamond or not. It can be distinguished, the hardness of jade and diamond of different materials is different, and the equipment can be distinguished. It comes with two separate light settings on the bottom side where 3 small bulbs are located. If even slightly tilted, it will give no reading or alert as diamond.

This device cannot test metals, so it cannot test silver. It does signal differences between crystal, stone, and glass. The 9V battery itself is actually rechargeable as you plug it into a USB cable.

• Easy to use, and fun worked well
• Easy-peas for someone who is not a jeweler to test their diamonds
• Great and reliable source of authentification
• Comes with a detector for currency

Best Runner up: Hqdz Diamond Tester

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Hqdz line of tester come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. This tool really works great without breaking the bank. It is designed for quick, precise, and safe diamond testing. The instructions also mention it going off when it touches metal which is a buzzing sound vs. a 3 beeb tone for diamonds. The instrument is easy to operate and understand when it beeps, after you put the batteries in (not included) then you either touched metal or found a Diamond in the rough.

This works great without breaking the bank. It does give positives on some metals. The test takes a few minutes, please turn off the power after the test is complete.

• Easy to assemble, to carry and use
• Professional diamond tester with light and sound indicator
• Perfect for testing on the go

Best For blue topaz: Presidium gem Tester For all stone

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The presidium gem tester for all stone should be able to handle its purpose and duties with ease. 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 can be anything from a different stone that's been colored, all the way to colored/dyed glass. It comes with a nice case.

This tester requires that you already know the identity of the gem and the tester confirms or negates your expectations. It will help you distinguish real gemstones from glass, for example, but will not tell you if they’re natural or lab created. It is to be noted that natural and synthetic gemstones have similar physical and optical properties. This is great for Peridot, Blue Topaz, and Aqua Marine gem stones.

• Affordable, portable and easy to use, but has accuracy issues
• Redesigned to be more compact, sturdy and portable
• Come in colors that can imitate a lot of natural stones
• Good product, easy to calibrate and accurate

Best For estate sales tag sales: Hqdz gem Tester For all stone

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If you often find yourself scrambling for convenient and suitable tester, hqdz gem tester for all stone should be your first option for buying. Hqdz’s diamond tester pen and 60x led lighted loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. It is reliable or precise enough to be used by jewelers. It is powered by DC 9v battery x 1 ( included) to test diamond turn on the switch. It comes with its own convenient carrying cases.

The test takes a few minutes, please turn off the power after the test is complete. It is great for estate sales and tag sales. Alternatively, its also a great tool to have when testing your own jewelry.

• Large / small switch for testing diamonds / - 8 points
• Great and comes with a lot
• Good brand reputation

Best Easy To Use: Presidium Diamondmate Diamond Tester

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Next on the list, we've got yet another tester that manages to win our hearts. It's the presidium diamondmate diamond tester and it's widely considered as one of the best convenient tester you can buy. The Diamondmate diamond tester utilizes a proven thermal conductivity testing method to instantly verify the authenticity of diamonds. It comes with rechargeable batteries. This model requires 3 AAA batteries. It comes also with a very nice storage pouch with a little slot inside to store the batteries when not in use.

This tester is a bit akward to see the results over the finger movements while testing. It can be sensitive too if you do not place properly on the smaller diamond. The Diamondmate diamond tester, like the thermal conductivity tester, can not eliminate synthetic moissanite.

• Operates on alkaline (aaa) batteries or direct ac current
• Uses thermal conductivity tests to detect diamond and simulants
• Works great no issues at all
• Works great and was accurate every time