Best Diamond Tester Pen in 2022 [*Top Picks*]

831 Reviews Scanned

• Bestseller #1

  [Upgraded] High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included(Black Diamond Testers) (153)

  [Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing. [Intuitive Design]:LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings. [Simple to Use]:Hqdz 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. [Package include]:Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery.

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• Bestseller #1

  HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter (210)

  [Easy to Use]: Real Diamond will Emits sounds and lights >=9. [Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9. [fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds. [Magnification]: 60X led Magnification with batteries ( Small microscope ). For Gems, Coins, Antiques, Stamps, Reading, Inspection etc. [Service]: If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn slowly.

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• Bestseller #1

  （Newest） Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone（with Battery） (33)

  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

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• Bestseller #1

  Xinler Accuracy Jewelry-Diamond Tester Pen Professional Jewelry Diamond Tester Tool (3)

  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. * 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. Before Test: 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light light up on the scale. 5. Make sure the " ready lamp" light on. 6. (If test diamond, you then need to turn on the lights number corresponding to the indoor temperature and diamond weight.). 7. (If test other gems, you'd better calibrate the probe, method: by placing the probe vertically on a glass, then adjusting the light to 5, then test the gems.) ★ NOTICE: * No matter what gemstone you are testing, the probe needle and the tested object must be at a 90° angle. * When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. * Do Not test any metal. * Do Not wear glove. Product size: 16 * 4 * 2.2 cm. weight: 100g. Power needed: 1x 9V battery (not included). If you have any problem about the testing, please contact us, we would love to help.

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• Bestseller #1

  High Accuracy Diamond Tester Jewelry Diamond Detector Gem Diamond Tester Pen 30X 60X Illuminated Jewelry Eye Loupe Mini Led Foldable Magnifying Jewelry Distinguish Tool (Black Tester, Black Loupe) (445)

  Complete tool for diamonds: the package comes with 1 piece of Jewelry tester and 1 piece of Jewelry loupe, 2 pieces in total, which are complete and practical for you to test or observe diamonds, bringing you a good using experience Clear screen design: these high accuracy diamond testers are designed with a clear screen, so you can get the useful data quickly; The item you are testing will be a true diamond when the data is above 9, and a true emerald crystal agate when the data is 7, saving your time to recognize Multiple uses: the gold testing kit is suitable for testing various items, such as diamonds, jades, emeralds, crystals, agates, gems and so on, making it possible for you to distinguish and observe them clearly and easily Practical Jewelry loupe: the mini LED foldable magnifying is equipped with 30X 60X lens, portable and reliable for you to see the item you want to know, no worry about missing the details of gems; And you can also share them with your family members or good friends to enjoy much fun Size details: the jewelry diamond detector measures about 6.3 x 1.7 x 0.8 inches, mini and portable for you to hold or store, offering you a lot of convenience; The Jewelry loupe is about 2.0 x 1.2 x 1.1 inches, so you can hold them to see diamonds easily, without too much burden when in use

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• Bestseller #1

  GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver (386)

  Country Of Origin: China Model Number: 0770 Item Package Dimension: 25.0" L x 14.0" W x 17.0" H Item Package Weight: 2.0 lb

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• Bestseller #1

  Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds (967)

  INDUSTRY’S THINNEST TIP: Detects colorless diamonds, moissanites, simulants instantly with metal alert. Accurate testing on colorless diamonds as small as 0.02 carats and diamond melees as small as 0.01 carats with micro probe purchased separately DYNAMIC MICRO LED DISPLAY: Bright LED display provides clear and precise results. Automatic power off after 2 minutes of inactivity. SLEEK ERGONOMIC STYLING: Sleek light and portable design with chrome-brushed tip and ergonomic grip provides an easy and comfortable hand hold. Power with 3 x AAA batteries or included USB cable and adapter EASY-TO-USE INTERCHANGEABLE PROBE: Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy. Damaged probes are easily replaced without downtime. BUILT-IN MEMORY: Memory chip conveniently stores up to 500 previous test records.

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• Bestseller #1

  Diamond Tester Pen,WECHIC High Accuracy Professional Jeweler Diamond Tester for Novice and Expert (12)

  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

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• Bestseller #1

  Dupeakya Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone (Diamond Tester 2) (68)

  [FAST AND PRECISE ]: This gemstone tester pen is not only a diamond tester but also a multi-gemstone tester. It is designed to detect if a gemstone is real or fake, including: diamond, sapphire, crystal, ruby, agate, jadeite, etc. Professional Diamond Selector designed for quick, precise, and safe diamond testing. [SIMPLE TO USE ]: Diamond Tester Pen is simple to operate to get results. 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light lights up on the scale. 5. Make sure the " ready lamp" light is on. 6. (If test diamond, you then need to turn on the number of the light corresponding to the indoor temperature and diamond weight.). [TEST RESULT ANALYSIS ]: If lights >= 9 and have sounds, it is real diamond. If lights < 9 and no sounds, it is not diamond. If lights is 7 or 8, it is true crystal. If lights is 6 or 7, it is true jade. If lights is 4 or 5, it is glass [NOTICE]: * When testing, the probe needle and the tested object must be at a 90° angle. * When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. * Do Not test any metal. * Don't wear gloves. [PACKAGE CONTENTS ]: 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual. The power needed: 1x 9V battery (not included). If you have any questions about use, please feel free to contact us.

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• Bestseller #1

  Diamond Tester, High Accuracy Jeweler Diamond Tester Pen for Novice and Expert Professional Diamond Detector (96)

  【Nondestructive Testing】This diamond tester can quickly, accurately and safely detect the authenticity of diamonds without any damage to diamonds. 【Jeweler Diamond Tester】This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: diamond, sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes. 【Fast Results】The real diamond will make sound and LED light > = 9. Fake diamonds will have no sound and LED light < 9. 【Simple Use】The diamond test pen is easy to operate, just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently.（The probe and the object to be measured must be at 90 degrees） 【Warm Reminder】The probe of diamond detector is very sensitive and must be protected with special care. When not in use, it should be sheathed. When testing diamonds, the right index finger must always touch the metal panel on the back of the tester, and do not touch the panel when testing other gems.

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