The 6 Best Diamond machine testers (2023 reviews)
Are you looking for collection of best diamond machine testers ?
This page is just for you.
Also check our buying guide on Best Jewelry testers, which will help you understand market quickly.
Our review process:
Our Top Picks:
HMKIS Diamond machine Tester Buy: READ REVIEWStillcool Diamond machine Tester Buy: READ REVIEWDupeakya Diamond machine Tester Buy: READ REVIEWPresidium Diamond machine Tester Buy: READ REVIEWGemoro Diamond machine Tester Buy: READ REVIEWGarosa Diamond machine Tester Buy: READ REVIEWHMKIS Diamond machine Tester
Buy on Amazon
The hmkis diamond machine tester is suitable and reliable and fits well with your daily purpose. It can tell you if a stone is a real diamond or not. It works fine to distinguish CZ or crystals from diamonds, but not lab diamonds or Moisannite. It can be distinguished, the hardness of jade and diamond of different materials is different, and the equipment can be distinguished. If even slightly tilted, it will give no reading or alert as diamond.
You will love the fact it actually comes with its kit, cover cases, a battery, and a lil Flashlight/UVLight Microscope. It is easy to use and comes complete with understandable instructions and guides for every gem and size.Why We Like This:
- Comes with a detector for currency
- Come in a cardboard storage box for extra protection
- Great and reliable source of authentification
- Easy-peas for someone who is not a jeweler to test their diamonds
Stillcool Diamond machine Tester
Buy on Amazon
The stillcool diamond machine tester's superior materials makes sure that it ages well with use. This diamond selector tester ensures that there is no harm to diamonds during the testing process. It is battery-powered by a standard 9v battery (not included), and the package comes with a leather pouch case, testing platform, user manual and accurate diamond tester pen. This will use an electric current to test rather than a thermal signal.
The professional diamond tester will light up over 9 and emits audible sounds. It is within the range of 5-35 degrees celsius, and the humidity is below zero. The volume is very narrow with sound. This protects the surface of the test object is clean, flat and dry. It can be a bit cumbersome at times.Why We Like This:
- Great value, easy to use and accurate
- Great tool to have for detecting diamonds
- Simply enough to just add batteries
Dupeakya Diamond machine Tester
Buy on Amazon
The dupeakya diamond machine tester might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. It is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the true and false diamonds. It works for all diamonds, including black diamonds and white diamonds. The tester differentiates between natural crystals and man made crystals "synthetic" like CZ's. It is extremely accurate and easy to use if you follow the instructions.
This device works as long as you follow the instructions in the manual. The tester uses heat conduction because the speed of heat conductance is proportional to the hardness of the stone. It is a very basic tester, if glass lights won’t move. The device needs to be restarted after a few minutes of use to be recalibrated.Why We Like This:
- A must for someone who has jewelry
- Works great can test other stones
- A great inexpensive option for determining authentic diamonds
- Great tester for gems and diamonds
Presidium Diamond machine Tester
Buy on Amazon
Next on the list, we've got yet another tester that manages to win our hearts. It's the presidium diamond machine tester and it's widely considered as one of the best convenient tester you can buy. It is easy to use, tested in different stones. It can test only crystalline stones, not opaque. There is an opening under the device that holds two AA size batteries. It has a small soft carrying case with zippers. It will smell like burnt plastic if fake or stabilized with a plastic substance. There is a QR code inside which directs you to the online manual.
It is excellent for testing gemstones, however if the stone is too small in a piece of jewelry, the tester will normally hit the side and not register. It is extremely easy to use and to calibrate. It is perfect for a first line of identification and even jewelry/gemstone experts can put this to use.Why We Like This:
- Good for differentiating diamonds and few other gemstones
- Works of 120vac or battery operation for portable use
- Lot of satisfied buyers
Gemoro Diamond machine Tester
Buy on Amazon
Next on the list, we've got yet another tester that manages to win our hearts. It's the gemoro diamond machine tester and it's widely considered as tester that has the most suitable features. The Gemoro Testerossa detects white sapphires, moissanite, and "real" diamonds. This one will give you the result both by voice and by the light that it emits. The tester voice is clear, precise and understandable. The tester will only light up pink for sapphires, but there is not a beep or a verbal indication. The docking station for recharging the batteries keeps the tester from being knocked off the counter and keeps it charged at all times, while in easy reach.
The Testerossa's sleek ergonomic shape comfortably rests in your hand and its led stone illumination makes it even easier to see what you're testing. It is powered by micro USB or with its included rechargeable nimh batteries, or your aaa akaline batteries. The ring tones are great for identifying too.Why We Like This:
- Very convenient for trade shows, rummanging, antique shows
- New enhanced moissanite testing technology for low conductivity stone identification
- Precision retractable probe-tip with enhanced durability
- Ability to use aaa batteries or usb cord is an excellent idea
Garosa Diamond machine Tester
Buy on Amazon
Next on the list, we've got yet another tester that manages to win our hearts. It's the garosa diamond machine tester and it's widely considered as tester that has the most suitable features. This LED diamond tester will indicate the result whether your diamond is genuine or fake. It is designed for quick, precise, and safe diamond testing. The tested gem must be clean, dry and at room temperaturenote. It is a portable electronic device for distinguishing real diamonds from other simulated stones.Why We Like This:
- Nondestructive testing, simple and accurate operation
- Highly compact design and light weight, easy to carry
- Lot of satisfied buyers
