Best Cultj in 2026

Classic Diamond Tester： Diamond Selector II ＋ Moissan/Diamond Tester, stable and accurate performance

Using the principle of difference of thermal conductivity and electronic conductivity between diamond , mossinate and fake diamond, there are two tests to detect and distinguish colorless diamond,mossinate and fake diamonds.

Bright dynamic display and sound detection results prompt tone. Portable and hand-held design, It’s ergonomic.

Classic Diamond Combo Tester II, stable and accurate performance. Designed specially to distinguish between colorless diamonds, HPHT type lab-grown diamonds, and mossinate. it's not effective for CVD type lab-grown diamonds.

Using the principle of different thermal conductivity and electrical conductivity between diamond ，HPHT type lab-grown diamond, mossanite and fake diamonds, A single test can distinguish colorless diamond, HPHT type lab-grown diamond ,mossinate and fake diamonds. It has a stronger detection ability for low conductivity mossinate.

It has alarm function when the probe touches metal and has the function of low battery alarm.

[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.

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

Everything the professionals use to test diamonds & precious metals while appraising and buying

Brand New P7 Diamond Analyzer professional jewelers test machine and gem weight guage.

Complete PuriTEST acids pack contains six (6) half-ounce bottles of test acids- 10k, 14k, 18k, 22k, Silver, and Platinum

[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.

✔【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.

✅【Intuitive Design】 Our diamond tester features an LCD display and LED indicator make it easy to read your precise testing results.

✅【Effortless Testing】 No need for a professional - the StillCool Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it's real or fake.

✅【If it's Real Diamond】The professional Diamond Tester will lighted up over 9 and emits audible sounds. No reaction means the stone is a fake crystal or simulant like cubic zirconium (CZ).

This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests.

An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items.

The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.

💎💎【Easy to use】 Place the tip of the diamond tester gently on the gemstone. If the diamond is fake, crystalline or cubic zirconia, the tester will not beep. An excellent diamond tester tool kit, suitable for handling any exposed or mounted diamonds and gems.

💎💎【Intuitive design】 Our gemstone tester has an intuitive design, light and portable, and the jewelry diamond tester is equipped with LED lights and audio instructions. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.

💎💎【Quick Identification】You just turn on our diamond test pen detector; place the tip of the diamond tester on the gemstone, and a single tap is enough. In providing fast and accurate results. You will be able to know in a few seconds whether an item is fake or not.

Verifies authenticity of diamonds instantly

Thin probe tip (.6mm) for testing diamonds as small as .02ct

Retractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between probe and gemstone

NOTE: The calibration may be affected during shipping. If you have issues, reach out to the seller.

INDUSTRIES MOST TRUSTED gemstone tester redesigned to be more compact, sturdy and portable.

THINNEST RETRACTABLE PROBE TIP: PGT II features the industry’s thinnest retractable probe tip.

[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.

[Supporting battery]: Supporting alkaline mercury-free environmentally friendly high-performance battery

✔●Professional Diamond Selector II will indicate genuine diamond or fake,LCD display & LED indicator.

✔●It is designed for quick, precise, and safe diamond testing.Emits audible sounds to easily differentiate the readings.

✔●Portable electronic device for distinguishing real diamonds from other simulated stones.

Real Diamond will Emits sounds and lights >=9.

This diamond selector tester designed for quick, precise, and safe diamond testing.

Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.

Easily Operated: If the lights move rapidly lighting up as they go, and there is a steady beep, and the lights are greater than or equal to 9. You know you have a real diamond. There would be no beep sounds and the diamond tester will not light up from green to red for cubic zirconium, crystal, and glass, and lights are less than 9

Fast Results: Designed for rapid, accurate, and safe diamond testing. Through non-destructive testing, the operation is simple and precise. Professionals are not required.

Upgraded high precision diamond selector ll: The upgraded diamond tester is more profession and precision. Quick indicate genuine diamond or fake

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.

Simple to 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) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. reads weights of adiamond use 200g/0.01g Mini Jewelry Scale, To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.

This pocket scale has 200 gram max weight capacity and reads weights in increments of 0.01g. High precision sensors make sure the accuracy. 6 weigh modes available - g/ oz/ gn/ ct/ dwt/ ozt.Tare & Auto-off: You can use the tare function to zero the weight of container within 200g. Energy saving by 3 minutes auto-off function.

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

✔【Intuitive Design】Hqdz 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.

✔【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. To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.

✔【Fast Results】Hqdz’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.

★The diamond Tester Pen is simple to operate to get results. Real Diamond will emit sounds and lights >=9. It is designed for quick, precise, and safe diamond testing.

★This gemstone tester pen is designed to detect if a diamond or gemstone is real or fake, If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.

★Using the principle of difference of thermal conductivity between diamond and fake diamond, detect and distinguish colorless diamond and imitation in 2 seconds.

Professional Diamond Selector II will show real diamonds or fakes，Use the big/small switch to test diamonds，Makes an audible sound to easily distinguish readings.

Easy to use：Real diamonds make sounds and lights >= 9.Fake crystal, such as cubic zirconia (CZ), crystal, glass will not emit sound and light <9.

Support battery: support mercury-free alkaline environment-friendly high-performance battery，DC 9V battery x 1 (included)

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.

INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment

INDUSTRIES MOST TRUSTED | Gemstone tester redesigned to be more compact, sturdy and portable

THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip

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

💎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.

✔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.

✔Intuitive Design: 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.

✔Simple to 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) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. To determine the clarity of a diamond use 30X60X LED lighted Loupe, magnifying glasses.

Excellent kit for anyone who handles loose or set diamonds & gemstones and other jewelry and precious metals items

Includes genuine Culti Diamond Selector II with 60-day money back guarantee

Digital diamond tester includes leather case

【Non-destructive Testing】 This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also safe, used to distinguish real diamonds from other imitation stones, without adverse effects on gemstones, suitable for: masonry, crystal, agate, red Sapphire, Emerald and more, it is a great tool to test your jewelry

【EASE OF USE】 The intuitive display design of the LCD display and LED indicator light makes the operation of the diamond checker tool easy. The probe and the object to be tested must be at a 90-degree angle, and the authenticity of the gemstone can be quickly identified according to the sound and reading (such as cubic zirconium (CZ)) Such imitations will not react when detected)

【COMPACT SIZE FOR EASY PORTABILITY】 Our high accuracy diamond tester measures about 6.3 x 1.57 x 0.87 inches, it is small and portable, it is light in weight, it can be put into any handbag or backpack, and it will not put too much burden on you when using it

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.)

LED light and audio result indication

Accurate and reliable reading. Please follow calibration instructions.

Metal alert