13 best diamond testers

• Professional Diamond Selector II will indicate genuine diamond or fake
• Uses large / small switches for testing diamonds
• Emits audible sounds to easily differentiate the readings
• Diamond tester is battery powered for convenience
• Requires 1 standard 9v battery, which is not included

User questions & answers

Question:	Will this work on pink or other colored diamonds
Answer:	While I'm not 100% sure, If it's a genuine or synthetic diamond of any sort I would answer yes, it would work.
Question:	Does this tester indicate the hardness of other gemstones for identification
Answer:	The hardness indicator will go up yes. It just wont hit the diamond mark. I have personally used this for Sapphires, emeralds and rubies. all accurate.
Question:	Does this differentiate between dimond and moissanite
Answer:	I didn't make any test on moissanite, but with diamonds it worked pretty good. I tested also ziconia, and other stones. the tests were accurate.
Question:	Can I buy this if my name is not Patrice
Answer:	Per the operations manual page 1057, being named, nick-named, called or referred to as Patrice is not require to purchase or operate this product.

Product description

Diamond Selector II" is a portable electronic device for distinguishing real diamonds from other simulated stones.

It is designed for quick, precise, and safe diamond testing.



Features:

Pocket with a handheld.

Operation simple and accurate.

Emit audible sounds to give accurate reading.

Diamond indicator will be showed if the stone is a REAL diamond (Green light).

Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone).

Large / small switch for testing diamonds +/ - 8 points.

To emit sounds to give accurate reading.

LCD display & LED indicator.

If stone is Fake crystal, a simulant such as cubic zirconium (CZ), will be no reaction.

Dimension: 16 x 4 x 2 cm

Color: Black

Powered by DC 9V battery x 1 (Not Included)



Package include:

1 x Diamond Tester

1 x Leather Pouch Case

1 x Testing Platform

1 x User Manual

• LCD display & LED indicator.
• It is designed for quick, precise, and safe diamond testing.
• Portable electronic device for distinguishing real diamonds from other simulated stones.
• If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
• Powered by DC 9V battery x 1 (Not Included)

User questions & answers

Question:	does this grade diamonds
Answer:	No. It tells you if you have a diamond. You need to read the instructions and follow them. To get them graded you need to bring them to a licensed professional.
Question:	Funciona en un diamante en bruto ejemplo una roca
Answer:	Si funciona
Question:	Otro de mejor calidad
Answer:	No solo he tenido este

Product description

Please follow instruction before using.



Tester Parts



1. Probe 2. Three-color display



3. Power indicator



4. Ready indicator



5. Power switch/adjustment knob



6. Battery cover plate







Technical Features:



1. Pocket portable handheld. 2.



2. Non-destructive testing, easy and accurate operation.



3. Power supply: DC9V battery.



4, Dimensions: 162 * 42 * 22MM Weight: 160g







Method of operation.



1. Turn on the power supply, the power indicator light is on, the Tester starts to warm up, after a few seconds the Tester can be used.



2、Place the diamond to be measured into the appropriate hole in the support tray, with the table surface facing up. Diamonds that have been mounted do not need to be placed in the holes of the tray, can be held by hand.



3、Dim several light-emitting diodes according to the weight of the diamond being measured and the temperature of the measuring site.



4, remove the probe sheath, hold the Tester , the right index finger touching the back cover of the Tester conductive plate; make the probe vertically and gently touch the top surface of the diamond to be measured.



5, carefully watching the Tester feedback, if the remaining yellow light-emitting diodes lit, when lit up to 9 diodes, and accompanied by a beeping sound which indicates that the diamond being tested is real. Otherwise, less than 9 diodes are lit and the Tester does not emit a beeping sound, it indicates a fake diamond or a counterfeit.







Repair and Maintenance:



1, The Tester probes are very sensitive and must be protected with special care, and should be sheathed when not in use.



2, The reserve indicator light is dark, which indicates that the battery will be exhausted, the battery should be replaced in time.



3. If the Tester is not used for a long time, please take out the battery.<

• 【Expert】Professional Diamond Selector II will distinguish genuine diamond or counterfeit.
• 【Accurate】It is designed for quick, accurate and safe Non-destructive diamond testing.
• 【Feature】Low power consumption, low battery alarm (red light indication) for Moissanite Tester.
• 【Protable】Lightweight and compact in size, easy and to carry.
• 【Include Battery】Include a PU bag and small testing tray for holding loose stones. Package Contents:1 x bag| 1 x Diamond Tester | Batteries: 1 x 9v Battery ( INCLUDED) | 1 x Testing tray

Product description

Diamond Selector II" is a portable electronic device for distinguishing real diamonds from other simulated stones.

It is designed for quick, precise, and safe diamond testing.



Features:

Pocket with a handheld.

Operation simple and accurate.

Emit audible sounds to give accurate reading.

Diamond indicator will be showed if the stone is a REAL diamond (Green light).

Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone).

Large / small switch for testing diamonds +/ - 8 points.

To emit sounds to give accurate reading.

LCD display & LED indicator.

If stone is Fake crystal, a simulant such as cubic zirconium (CZ), will be no reaction.

Dimension: 16 x 4 x 2 cm

Color: Black

Powered by DC 9V battery x 1 (Not Included)



Package include:

1 x Diamond Tester

1 x Leather Pouch Case

1 x Testing Platform

1 x User Manual

• LCD display & LED indicator.
• It is designed for quick, precise, and safe diamond testing.
• Portable electronic device for distinguishing real diamonds from other simulated stones.
• If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
• Powered by DC 9V battery x 1 (Not Included)

User questions & answers

Question:	will it work on gold
Answer:	Diamonds
Question:	I used on a blue gemstone n a ruby .it went red what does this mean
Answer:	If you put it on any type of stone or diamond and it goes to the red that means it’s real and if it doesn’t go to the red it’s fake so basically if it pass the number 8 it’s real it doesn’t have to fill up the whole end of that red part so if you hear it beeping it’s real but if it doesn’t beep it’s fake
Question:	Why is it red om some stones
Answer:	Assuming that you are testing on a supposed diamond it would indicate that it is not a real diamond. The tester has settings for the size of the stone, but it has been my experience that it will verify a positive regardless of the size.
Question:	I have received a empty amazon package. No contents inside. I was asking for a refund but it wants to send back a item I never received
Answer:	You need to call amazon customer service and show them in a photo. If you are 100% honest then they will refund your money.

Product description

Color:Black

Diamond Selector II" is a portable electronic device for distinguishing real diamonds from other simulated stones.

It is designed for quick, precise, and safe diamond testing.

Features:

Pocket with a handheld.

Operation simple and accurate.

Emit audible sounds to give accurate reading.

Diamond indicator will be showed if the stone is a REAL diamond (Green light).

Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone).

Large / small switch for testing diamonds +/ - 8 points.

To emit sounds to give accurate reading.

LCD display & LED indicator.

If stone is Fake crystal, a simulant such as cubic zirconium (CZ), will be no reaction.

Dimension: 16 x 4 x 2 cm

Powered by DC 9V battery x 1 ( Included)

Package include:

1 x Diamond Tester

1 x Leather Pouch Case

1 x Testing Platform

1 x User Manual

• Professional Diamond Selector II will indicate genuine diamond or fake
• It is designed for quick, precise, and safe diamond testing.
• Portable electronic device for distinguishing real diamonds from other simulated stones.
• If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
• Emits audible sounds to easily differentiate the readings

User questions & answers

Question:	How to calibrate
Answer:	Just roll the switch to a lit level that correlates to the testing environment.
Question:	Does it work for gold
Answer:	No. It’s just a basic diamond tester.
Question:	Why does it go to red and beep on a chain I believe it’s gold . It’s the same beep noise as it sounds with a diamond. Not the weird sound on metal
Answer:	Another good feature is having a metal detector that signals if you accidentally touch part of the metal setting instead of the stone. If your tester doesn’t recognize metal, it can indicate that you are holding a real diamond when you unknowingly touch the setting, even if the diamond itself is fake. The tester is relying on thermal conductivity and both diamonds and metal conduct heat similarly
Question:	Does this unit test uncut stones
Answer:	Yes

Product description

Portable and easy to operate test tool to distinguish real diamonds from simulant ones.

The cost for your Diamond Selector II is not even a fraction of the cost of a diamond, and you will gain peace of mind by knowing that you are buying a real diamond, instead of a knockoff. This Diamond Selector II tester comes with a leather bag and small testing tray for holding loose stones. It also features a low battery indicator to ensure accurate readings.

Package Content:

1 * Diamond Selector II

1 * Testing Platform

1 * Carrying Case

1 * User Manual

• Professional Diamond Selector II will indicate genuine diamond or fak
• Uses large / small switches for testing diamonds
• Emits audible sounds to easily differentiate the readings
• Batteries: 1 x 9v Battery (not included)
• Package Contents: 1 x Diamond Tester

User questions & answers

Question:	Does the diamond tester come with a 9v battery
Answer:	Mine did, but that was over 6 months ago so I can't be sure.

• 1.Package included:1 x Portable Diamond Tester,1 x Carrying Case,1 x Testing Platform
• 2.The red light will be showed and the audio indicator will ring if the stone is real diamond.
• 3.It can be suitable for jewelry,gemstone,document,and currency authentication.
• 4.Use switches for testing diamonds,Emits audible sounds to easily differentiate the readings
• 5.The jewelry diamond tester selector is powered by DC 9V battery but the battery is not included.

Product description

"Diamond Teste＋60X LED Magnifying Glasses" is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing.



Features:

Color: Black

LED light and audio result indication

Accurate and reliable reading

Metal alert

Simple calibration for stones of various sizes

Testing Capability: Diamonds, Diamond simulation (e.g. CZ), Metal

Dimensions: 6.5" x 1.5" x 0.75" (Depth)

Weight: 5 Oz

Initial warm-up time: ~ 20 sec.

Indicator: Audio and LED lamps

Power: One 9V Battery(s) (included)



60X Microscope Magnifying Glasses

Bright LED light of the Magnifying Glass provides enough light at any dim conditions;

The pocket size is convenience to carry, you can use it in everywhere and every time.

Compact Design Provides 60X Magnification.

Color: Silver.

Lens Material: Glass.

Size: 3.7cm ×3.5Cm ×1.5cm (L*W*H).

Power Supply: 3 x LR1130 Batteries (included).

Currency Detecting Microscope Magnifying Power is 60X.

With a Faux Leather Pouch, Can Protect it From Scratch, Attrition, Etc.

The Pocket Size is Convenience to Carry, You Can Use it in Everywhere and Every time.



Package Content:

1 x Diamond Tester

1 x 60X Microscope



Our products are all from factory direct supply, we can guarantee 100% inspection before shipping. If any problems of our products really exist, an exchange or a refund is available.

• ✔【Intuitive Design】Molo Diamond Tester Pen comes with LED lights and audio indication. During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector. Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights.
• ✔【Fast Results】Molo’s Diamond Tester Pen is design to deliver fast, accurate results. You will be able to know if something is fake in a matter of seconds.
• ✔【Simple to Use】Molo Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.
• ✔【Portable】Molo Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Molo’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. Alternatively, its also a great tool to have when testing your own jewelry.
• ✔【Application Range】Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.

Product description

Notes:

1. The tester is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the true and false diamonds. It can also be used for testing sapphire, ruby, crystal, agate and other stones.

2. This tester is a precision electronic instrument, the use environment is 5-35 ℃, and the air relative humidity is 80%.

3. The tested gemstone must be clean, dry and at room temperature.



Steps for Testing:

1. Install the battery and take off the probe tip cap.

2. Turn on the switch and make sure the Battery Lamp lights up.

3. About 30 seconds later, Ready Lamp will light up.

4. Select a number in calibration chart(we suggest 4 for calibration number) according to temperature and the size of tested stone.

5. Find the selected calibration number under light bar, and turn the switch toward the direction of ON to let the light bar reach to the place the selected number lies

6. Start to test diamond or other stones, your hand needs to hold silver triangle conductive plate when testing and the probe tip needs to perpendicular to the tested stone.



Test Results:

-If the number of lights equals or exceeds 9, and it beeps, it means the diamond is true.

-If the lights is about 9 and it beeps, it means the sapphire is true.

-If the number is 6.5-7, it means the agate is true.

-If the number is 7-8 , it means the crystal is true.

-If the number is 6-7, it means the jade is true.



Specification:

Material: Plastic

Working power: DC9V battery (not included)

Size: 16*4*2.2 cm



Package Included:

1 * Diamond Tester(no battery included)

• This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake, including: diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes.
• It is designed for quick, precise, and safe diamond test.
• LED light and audio indicate testing result.
• Portable electronic device for distinguishing real diamonds from other simulated stones.

User questions & answers

Question:	Does it come with instructions for testing turquoise, rubies and saphires
Answer:	Hello - This device can only detect authentic diamonds (loud beep, beep, beep) or metals (fast buzzing beeps). Keep in mind that you MUST allow the "lamp" to power up and you MUST be holding the item with your fingers. This device will not determine genuine gemstones (i.e. rubies or sapphires) nor distinctions in metals (i.e. gold, silver or steel). So it will not determine if rubies, sapphires or turquoise are real. The only true way to do that is through a reputable jeweler. They have devices (light refractors) and experience to make those determinations but it may cost you for them to provide that information. I hope this helps.
Question:	How do i get it to stop beeping? The meetervis contantly at 9 and beeping. Yesvi turned the wheel all the way to the on position
Answer:	Hello - This has not happened to me before. I would first try disconnecting the battery to try and reset it. Then look closely at the tip. There may be a flake of metal caught in the tip. Take a toothbrush to try and clean the tip. Remember that the sensitivity wheel needs to be calibrated prior to testing anything. To do this, roll the wheel until it is at maximum (red lights and beeping). Then slowly roll the wheel back to the highest green level. Make sure the tip is not touching anything. Good Luck !!!
Question:	Does this work on natural gemstones
Answer:	Yes, it works on both artificial gemstones and natural gemstones.
Question:	Does it come with instructions for testing turquoise, rubies and saphires
Answer:	I only tests diamonds, it was misleading in the description

Product description

“Diamond Teste＋2pc 30X Magnifying Glasses" is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing.



Operation method:

1.Turn on the power, the power indicator is on, the instrument starts to warm up, and the instrument can be used in a few seconds.(after the lamp on ready ok ).

2. Put the measured bare drill into the appropriate concave hole of the support tray, and put its table top up. The inlaid ones need not be placed in the tray hole, but can be held by hand.

3.According to the weight of the diamond to be measured and the temperature of the measuring environment, turn on exact light-emitting diodes according to the manuals.

4. Pay close attention to the reflection of the instrument. If the remaining yellow light-emitting diodes are on, when they are on to nine diodes, accompanied by a beep, it indicates that the tested person is a real diamond. On the contrary, if less than 9 and the instrument does not give out a sharp sound, indicating fake diamonds or counterfeit goods.

Features:

Color: Black

LED light and audio result indication，Accurate and reliable reading Metal alert，Simple calibration for stones of various sizes。

Testing Capability: Diamonds, Diamond simulation (e.g. CZ), Metal.

Dimensions: 6.5" x 1.5" x 0.75" (Depth).

Weight: 5 Oz

Initial warm-up time: ~ 20 sec.

Indicator: Audio and LED lamps



30X 21mm Microscope Magnifying Glasses

The pocket size is convenience to carry, you can use it in everywhere and every time.Compact Design Provides 30X Magnification.For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.

Color: Silver.

Lens Material: Glass.

Weight: 51g

Colour: Silver

Lens diameter: 21mm.



Package include:

1 x Diamond Tester

2x 30X21mm Jewelry Magnifier

• ✔Portable design:Designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise.Diamond tester and magnifier are all equipped with convenient carrying cases.
• ✔Simple use: Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient).
• ✔Magnification : 30X with batteries included.For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.
• ✔100% new and high quality eye magnifying glass.Foldable and tiny.It comes with its own hard plastic felt lined storage case, include a small loop to attach to a neck chain or key chain.
• ✔Package Contents: 1 x Diamond Tester, 1 x 9v Battery, 2 x 30x Jeweler’s Loupe.

Product description

Color:Black

Diamond Selector II" is a portable electronic device for distinguishing

real diamonds from other simulated stones.

It is designed for quick, precise, and safe diamond testing.

Features:

Pocket with a handheld.

Operation simple and accurate.

Emit audible sounds to give accurate readingv. Diamond indicator will be showed if the stone is a REAL diamond (Green light...).

Metal alert (continuous buzzing sound when user accidentally

touches metal rather than stone).

Large / small switch for testing diamonds +/ - 8 points.

To emit sounds to give accurate reading.

LCD display & LED indicator.

If stone is Fake crystal, a simulant such as cubic zirconium (CZ), will be no reaction.

Dimension: 16 x 4 x 2 cm

Powered by DC 9V battery x 1 ( Included)

Package include:

1 x Diamond Tester

1 x Leather Pouch Case

1 x Testing Platform

1 x User Manual

• If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction. Emits audible sounds to easily differentiate the readings
• Professional Diamond Selector II will indicate genuine diamond or fake
• Uses large / small switches for testing diamonds, Emits audible sounds to easily differentiate the readings
• LED indicator: Diamond indicator will be showed if the stone is a REAL diamond
• Size: 6.3 * 1.6 * 0.8 inches, Power Supply: 9v Battery Professional Diamond Selector II will indicate genuine diamond or fake

User questions & answers

Question:	does it differentiate moissonite from diamonds. does it differentiate cuz from diamonds
Answer:	I don’t like it. Probably if you play with both using a known good diamond you could differentiate between them.

Product description

Operation method:

1.Turn on the power, the power indicator is on, the instrument starts to warm up, and the instrument can be used in a few seconds.(after the lamp on ready ok ).

2. Put the measured bare drill into the appropriate concave hole of the support tray, and put its table top up. The inlaid ones need not be placed in the tray hole, but can be held by hand.

3.According to the weight of the diamond to be measured and the temperature of the measuring environment, turn on exact light-emitting diodes according to the manuals.

4. Take off the probe sheath, hold the instrument, and touch the conductivity plate of the back cover of the instrument with the right index finger; make the probe vertically contact with the table surface of the true and false diamond to be measured.

5. Pay close attention to the reflection of the instrument. If the remaining yellow light-emitting diodes are on, when they are on to nine diodes, accompanied by a beep, it indicates that the tested person is a real diamond. On the contrary, if less than 9 and the instrument does not give out a sharp sound, indicating fake diamonds or counterfeit goods.



Technical features:

1.Using environment: 5-35 ℃ and the relative humidity of air is below 80%

2.The diamond must be clean, dry and at room temperature

3.No harm to diamond

4. Working power supply: dc9v battery

5. Size: 160 * 40 * 22mm weight: About 130g



Repair and maintenance:

1. The probe of the instrument is very sensitive and must be protected with special care. When not in use, the probe should be sheathed.

2. When the standby indicator light is very dark, it means that the battery will be exhausted, and the battery should be replaced in time.

3. If the instrument is not used for a long time, please take out the battery.



[Note] 1.please do not try to open anything except battery cover for precision electronic instrument! To avoid dam

• Portable design: Diamond tester and magnifier are all equipped with convenient carrying cases. Designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise.
• Fast Results: If the stone is a real diamond, the pen will make a beep sound as well as show at least 9 LED lights.a green indicator will be displayed.
• Upgraded high precision diamond selector ll: The upgraded diamond tester is more profession and precision. Quick indicate genuine diamond or fake.
• Simple use: Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient).
• Package Contents: 1 x Diamond Tester, 1 x 9v Battery, 1 x 10x Jeweler’s Loupe, 1 x Tweezers.

User questions & answers

Question:	Does this do gem stones as well
Answer:	Sorry, I'm not sure. You may want to reach out to the manufacturer. I only bought it for diamond testing.

Product description

PHYHOO High Accuracy Professional Jeweler Diamond Tester For Novice and Expert.If you have any problem,please don't hesitate to let me know.

• Professional Diamond Selector II will indicate genuine diamond or fake
• Uses large / small switches for testing diamonds
• Emits audible sounds to easily differentiate the readings
• Batteries: 1 x 9v Battery (not included)
• Package Contents: 1 x Diamond Tester

User questions & answers

Question:	Professional diamond selector ii detects the crystal of my Rolex as a diamond. It does sound 3 beeps and show all 4 red lights. Does anyone know why
Answer:	Many high quality watch crystals are similar to synthetic sapphire. Although your product indicates diamonds, you find many things that indicate falsely. It and all instruments that use that technology are far from exact indicators.
Question:	does this test for other gemstones besides diamonds
Answer:	Natural diamonds and man made diamonds. I’m sure you can find many false readings on many materials. Buy a loup.
Question:	Does this come with a battery? I just seen it did not
Answer:	No have to buy one
Question:	How do u know if the diamond is real sre not? Because ive seen testers that reads green and some that reads red when real
Answer:	Use a 10 power loup and look for imperfections like carbon. Priceless diamonds and cheap man made diamonds are perfect. Go to your local jewelry store and get the sales person to show you with a loup how diamonds are valued based on their number of imperfections. If you find a perfect diamond don’t buy it.

Product features

USAGE STEP-1

When operating Diamond Selector, use battery type 006P 9V

1. Turn the Power Switch ON

2. Confirm the Battery Lamp " LAMP ON BATTERY OK" lights up. Also at this time, Level Meter will light up and this lighting signal will shift from left to right and vice versa two times

NOTE: In cases when the Battery Lamp does not light up or it becomes dim, new battery is required;replace the battery with a new one

USAGE STEP-2

1. Wait for about 30 seconds till the Ready Lamp "LAMP ON READY OK" lights up.

NOTE: The Ready Lamp will automatically light up as soon as the Probe is warned up to the prescribed temperature

2. The Power Switch functions as the Volume Control to adjust Level Meter. By turning it toward ON direction, the Level Meter Lamp will light

up from Green , Yellow, to Red in order

Now, the preparation is complete and Diamond Selector is ready for measuring

USAGE STEP-3

Need to confirm and adjust the accurate "TEMP" according to your the carat of diamond and the temperature of the surrounding