Best Gemoro Gold Testers in 2025

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

✅【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.

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

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.

✔【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.

World’s most user-friendly, best performing handheld electronic gold tester with unmatched accuracy

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

Immediate test results – no waiting between tests

Working time:about 2 hours of continous use

Probe warm up time:about 25 seconds

Built in metal detector

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

【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.

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

Easy to read alphanumeric LCD display shows both karat value and gold percentage

Results in seconds

A pocket-sized, battery-operated tester that will precisely determine gold karat values equal to or greater than 10K, 14K, and 18K

Also includes testing solution Activator/Electrolyte, a latex-free eraser, cotton swabs, and also helpful instructions

Testing solutions do not come filled to the top of bottle

18K Yellow Gold

Use for AGT1, AGT2, AGT3 & AGT-Blue & Kee Gold Tester

6.4mm (1/4") wide

Country Of Origin: China

Model Number: 0770

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

Fully portable

Battery operatec

Automatic shut-off function

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

High Precision Diamond Tester: The professional diamond dial will indicate true or fake diamonds, LCD monitors and LED indicators. Compared to the second generation, its sensitivity and precision have been improved considerably.

Portable Design: Diamond Selector II is equipped with a PU bag and a small test tray to hold loose stones. Designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise. The tester is lightweight, compact (size of credit card) and easy to transport.

Small Test Platform: This tester is equipped with a PU housing and a small test platform for repairing loose stones. Simple calibration of precious stones of all sizes is easy for beginners.In order to let you carry it better, we have a special leather case storage bag! Suitable for carrying when going out for appraisal

Ideal for determining gold karat values up to 24 karat

2 year warranty

9-volt battery operated

Direct DC/ Static magnetic field density measurement

Wide measuring range from 0.1mT to 2000mT

LCD display, 3 1/ digits

JSP GOLD JEWELRY TESTING & APPRAISAL KIT

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

GTE 2''x 4'' JEWELRY TOUCHSTONE FOR SAFE TESTING THAT WON'T DAMAGE YOUR JEWELRY

Customer Service: We ship from the United States and will be delivered in 4-8 days. At the same time, we will reply to your message within 24 hours. Happy purchase

Package Includes: Diamond Selector II is equipped with a PU bag and a small test tray for holding loose gems

How to Use: If the gemstone is a real diamond, the green indicator will be displayed on the Diamond Selector II. When the user accidentally touches metal instead of stone, a continuous buzzing sound will be emitted

INCLUDES: NiMH rechargeable batteries, AC adapter/charger, loose stone holder, and compact rubberized portable storage case

Identifies, Detects and Separates Moissanite from Diamond, New Advanced Exclusive Moissanite Testing Technology

Identifies the widest range of electrically conductive moissanite material including the new super low electrically conductive moissanite

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

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

AUTHENTIC GTE 3''x6'' JEWELRY TOUCHSTONE FOR SAFE TESTING THAT WON'T DAMAGE YOUR JEWELRY

World’s most user-friendly, best performing handheld electronic gold tester with unmatched accuracy

Tests all colors of gold from 6k - 24k and Platinum

Increased accuracy when testing high-karat gold

ALL-IN-ONE GOLD AND SILVER TESTING & APPRAISAL KIT

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

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

ALL-IN-ONE 14K GOLD AND SILVER TESTING & APPRAISAL KIT

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

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