The 6 Best Type 2 A Diamond testers (2023 reviews)

The hmkis type 2 a diamond tester is long-lasting, rigid and fits well with your regular usage like a dream. It is a kind of diamond and can be distinguished. It can be distinguished, the hardness of jade and diamond of different materials is different, and the equipment can be distinguished. It is easy to use and comes complete with understandable instructions and guides for every gem and size. You will love the fact it actually comes with its kit, cover cases, a battery, and a lil Flashlight/UVLight Microscope. This device cannot test metals, so it cannot test silver. If even slightly tilted, it will give no reading or alert as diamond.

This diamond tester is a great deal with the jewler scope and rechargable 9v included. It can tell you if a stone is a real diamond or not. It is definitely a must have if you buy diamonds or moissanite online & don’t want to get scammed.

Why We Like This:

Comes with a detector for currency
Easy-peas for someone who is not a jeweler to test their diamonds
Great and reliable source of authentification
Come in a cardboard storage box for extra protection

Best For Testing watch crystals: Hqdz Type 2 A Diamond Tester

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For a low asking price, hqdz type 2 a diamond tester has managed to overwhelm their customers by packing as many features as they could. There’s other kits for gold, but they usually contain a series of individually bottled testing acids, testing needle, and stone. It includes 1 standard 9v battery, which is super easy to use and the battery. It is great for testing watch crystals. There’s a bar of LED that lights up if it’s a real diamond and it beeps. The tester is relying on thermal conductivity and both diamonds and metal conduct heat similarly.

The test takes a few minutes, please turn off the power after the test is complete. It includes this one is super easy to use and the battery. It is very easy to use and 100% accurate.

Why We Like This:

Great tool to have if you own any jewelry
Diamonds are tested either thermally or electrically
Great tester to verify real or not real

Best For Testing: Presidium gemstone 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 gemstone tester and it's widely considered as one of the best convenient tester you can buy. It is a must have if your hobby involves gemstones. The Presidium Gem Tester II (PGT II) features a clear and direct analog display for a quick way to identify diamonds/moissanite and separate up to 15 common colored gemstones from one another based on their thermal conductivity. It reads cubic zirconia as glass, which is great, since there are so many cubic zirconia fakes from India and China.

This tester uses thermal conductivity. It can test only crystalline stones, not opaque. There is an opening under the device that holds two AA size batteries. It's a must have if your hobby involves gemstones.

Why We Like This:

Good for differentiating diamonds and few other gemstones
Delivers what they promise

Best For price: Dupeakya Type 2 A Diamond Tester

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The dupeakya type 2 a diamond tester's material feels more premium than its price would suggest. It can distinguish ALL authentic gemstones from, say glass or cubic zirconias. It is used for testing sapphire, ruby, crystal, agate and other stones. It does test for diamonds accurately, just don’t touch the metal. The current produced by the tester passes through a diamond to the receiver causing it to give a signal. The device needs to be restarted after a few minutes of use to be recalibrated.

This device works as long as you follow the instructions in the manual. There is a chart on the back of the device that indicates where to set the starting point based on the size of the stone you are testing. It works for all diamonds, including black diamonds and white diamonds.

Why We Like This:

Works great can test other stones
A must for someone who has jewelry
Gives a glass reading on all semi precious stones

Best For blue topaz: Presidium Type 2 A Diamond Tester

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The presidium type 2 a diamond tester is suitable and reliable and fits well with your daily usage. It's certainly not industrial grade equipment, but good for the jewelry collector/reseller/buyer. 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. Even with both tools, it takes a keen eye, and training to truly know what you're looking at.

The gem tester will warn you with an audible alarm if you touch metal. It comes with a soft case. It has play back and forth. It is to be noted that natural and synthetic gemstones have similar physical and optical properties.

Why We Like This:

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
Good product, easy to calibrate and accurate

Best For Diamond Test: Zyyini Type 2 A Diamond Tester

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The zyyini type 2 a diamond tester's superior materials makes sure that it ages well with use. This diamond tester has a very compact design and helps you to tell the difference between a real diamond and a fake diamond. It is supplied with a pu housing and a small test platform for holding loose stones. The green indicator is shown when the stone is a real diamond. It is a continuous hum if the user accidentally touches metal rather than stone. It is easy to use, even for a beginner.

The tester is light, compact and easy to transport. It has a very compact design, ideal for buying jewelry, buying diamonds, selling real estate, auctions, etc. The g tones must be clean, dry and at room temperature. These are very helpful to have if you collect any jewelry.

Why We Like This:

Diamond tester for a quick, precise and y diamond test
Easy calibration for stones of different sizes
Helps assist in valuing the stones and not being taken advantage of