Best Multi Jewelry Diamond Testers in 2026

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

JSP Premium Gold, Silver & Platinum Testing Solutions 6 x 1/2oz bottles

2 x Genuine PuriTEST Premium 2x2" PRO TOUCH Testing Stone

FREE GIFTS: 5 Gram .999 Gold Clad Test Bar & 5 Grain .999 Silver Test Bar

Genuine and natural obsidian

Jet black, for the highest contrast

Smooth surface is the best way to test gold

GOLD, SILVER, AND PLATINUM JEWELRY TEST KIT

HANDCRAFTED WOOD STORAGE BOX TO PROTECT AND PROLONG TESTING SOLUTIONS

AUTHENTIC GTE 2''x 2'' JEWELRY TOUCHSTONE FOR SAFE TESTING THAT WON'T DAMAGE YOUR JEWELRY

✔【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.

FUN, FAST, AND ACCURATE! DETERMINES THE KARAT OF GOLD, SILVER, & PLATINUM JEWELRY IN SECONDS!

ALL-IN-ONE GOLD, SILVER, PLATINUM TESTING & APPRAISAL KIT

2 AUTHENTIC *LARGE* GTE 2''x 4'' JEWELRY TOUCHSTONES FOR SAFE TESTING THAT WON'T DAMAGE YOUR JEWELRY

PuriTEST 3-Pack Gold Test Kit 10k, 14k & 18k Gold Acid Testing Solutions

1/2oz bottles excellent for hundreds of tests!

2x2" Premium PuriTEST PRO Test Stone

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

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

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

★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 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.

LED light and audio result indication

Accurate and reliable reading. Please follow calibration instructions.

Metal alert

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.)

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

Size of Diamond Tester Pen: The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick. The portable diamond tester gadget is lightweight, matched with a practical carrying case.

Detection Way: The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal conductivity of diamond, the fake crystal, a simulant such as cubic zirconia does not have any reaction.

Result Indicator of Diamond Reader: With diamond gem tester you will be able to know in a few seconds whether an item is fake or not, there are the LED indicator and the audible signal a red light will be displayed and an audible indicator will sound if the stone is a real diamond.

Low power usage and low battery indicator make sure you always have power when you need it

Instant recovery time in between tests

Uses thermal conductivity tests to detect diamond and simulants

Identifies, detects and separates diamond from CZ, moissanite and white sapphire with New Enhanced M

New Enhanced Moissanite Testing Technology for low conductivity stone identification

LED stone illumination and UV fluorescence detection,Retractable probe tip with enhanced durability

Lcd display & led indicator

Emit audible sounds to give accurate reading

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

【DIAMOND TESTER】 Jewelry Identification Tool is a diamond selector with accurate and reliable reading, but also a multi-gem tester. Made of quality material, which is eco-friendly and durable to use. which is eco-friendly and durable to use.

【EASY TO USE】 A new portable diamond observation tool, you can use infrared irradiation in diamond to evaluate the diamond.Jewelry Identification Tool In accordance suitable for outdoor environment and adverse weather conditions, suitable for jewelry display or identification assistance.

【EASY TO TAKE】 The compact size is easy to use and portable to store. Jewelry Identification Tool Suitable for jewelry display or identification assistance. The handle of ergonomic design is convenient to grip.

Professional Diamond Selector II will indicate genuine diamond or fake，It is designed for quick, precise, and safe diamond testing.

Uses large / small switches for testing diamonds，Emits audible sounds to easily differentiate the readings,To determine the clarity of a diamond use 30X Magnifying,

Diamond Tester Pen and 30X Magnifying, each comes with its own convenient carrying cases,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.

【DIAMOND TESTER】 This is a diamond selector with an accurate and reliable reading.

【QUALITY GUARANTEE】 the best quality. Our brand is dedicated to providing high quality products. We have confidence in our products and offer after sales support. If you have problems with product quality, contact us.

【SCOPE OF APPLICATION】 Moissanite Tester is an instrument that combines with the Diamond Selector II. It is only used for the distinction of colorless Moissanite.

Country Of Origin: China

Model Number: 0770

Item Package Dimension: 25.0" L x 14.0" W x 17.0" H

【DIAMOND TESTER】 This is a diamond selector with accurate and reliable reading, but also a multi-gem tester.

【EASY TO USE】 A new portable High Accuracy Diamond Tester diamond observation tool, you can use infrared irradiation in diamond to evaluate the diamond.

【EASY TO TAKE】 The High Accuracy Diamond Tester compact size is easy to use and portable to store.Suitable for jewelry display or identification assistance.

Tests all colors of gold from 6K to 24K and tests platinum

Powered by included 9V alkaline battery or 100V-240V AC adaptor

Alphanumeric LCD display shows both karat value and gold percentage