Best Diamond Tester

There are a lot of products and services available in the market. Consumers find it difficult to choose the best product that meets their needs. TIn order to help consumers with that process, we have compiled a list of Top 12 Best Diamond Tester, which will allow them to make a more informed decision when buying any product or service.

Before finalizing these products, our team considered numerous factors, such as customer feedback, features, specifications, and price. This list is a useful tool for all of our readers who are looking for The 12 Best Diamond Tester. Hopefully you find it useful!

Best Diamond Tester

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

 in stock
as of December 22, 2021 10:06 am


  • [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 
  • [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.

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

$16.99  in stock
as of December 22, 2021 10:06 am


  • [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.

Gemoro Testerossa Diamond, Moissanite & White Sapphire Tester

$249.00  in stock
9 new from $249.00
1 used from $196.81
Free shipping
as of December 22, 2021 10:06 am


  • 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
  • Powered by MICRO USB or with its included rechargeable NiMH batteries, or your AAA Akaline Batteries
  • Unprecedented 10-YEAR PROBE TIP WARRANTY; Lifetime Limited Replacement Warranty on the tester

Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants

 in stock
9 new from $209.00
2 used from $199.89
Free shipping
as of December 22, 2021 10:06 am


  • IMPORTANT TO NOTE: This product needs to be calibrated prior to use. If you experience issues with calibration, please reach out to the seller for assistance prior to returning the item.
  • EASY TO USE DESIGN: Ergonomic handheld design with a rubberized anti-slip grip for easy handling. Light and portable with a convenient carrying case.
  • THINNEST RETRACTABLE PROBE TIP: Retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industry’s thinnest probe tip size of 0.6mm, the PMuT III tests colorless diamonds as small as 0.02ct.
  • CLEAR, CONVENIENT DISPLAY: 180-degree multi-viewing LED display for easy readability for either right or left-handed use
  • ALL-IN-ONE INSTRUMENT: The world’s first tester that tests for both colorless diamonds and moissanites in a single instrument.

Portable Gemstone Diamond Jeweler II V2 Tester Analyzer Jewelry Gems Select Tool

$12.99  in stock
as of December 22, 2021 10:06 am


  • Easy to use even for a new beginner
  • Emit audible sounds to give accurate reading
  • Diamond indicator will be showed if the stone is a REAL diamond (Green light)
  • Large / small switch for testing diamonds +/ - 8 points
  • Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )

GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver

$248.42  in stock
3 new from $248.42
Free shipping
as of December 22, 2021 10:06 am


  • 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

Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds

$399.00  in stock
3 new from $399.00
Free shipping
as of December 22, 2021 10:06 am


  • 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.

StillCool Diamond Tester II V2 Selector Gemstone Jewelry Gems Tool with Case (Black Diamond Testers)

$15.89  in stock
as of December 22, 2021 10:06 am


  • 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)

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

$245.20  in stock
7 new from $229.00
as of December 22, 2021 10:06 am


  • 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
  • VERSATILE AND RELIABLE | Consistent and reliable results every time. Identifies diamonds/moissanites
  • SIMPLE & EASY TO USE | Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones


$134.95  in stock
5 new from $134.95
as of December 22, 2021 10:06 am


  • 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
  • No wait time between test
  • Metal alert buzzer

SSEF Diamond-Type Spotter and Blue Diamond Tester Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The "RIGHT-WAY" Series to Using Gem Identification Tools)

$4.99  in stock
15 new from $4.64
6 used from $3.58
Free shipping
as of December 22, 2021 10:06 am


Number Of Pages22
Publication Date2014-06-17T00:00:01Z

SmartPro Screen I Diamond Tester CVD HTHP Type lla Lab Created

$549.00  in stock
2 new from $549.00
Free shipping
as of December 22, 2021 10:06 am


  • Test from 0.01 ct up to 12 ct; Tests Earth-Mined Diamonds (D-J) and Lab Created CVD/HPHT Type IIa colorless
  • Auto testing function, New technology LED light source with hight efficiency and mercury-free
  • No warmup time before testing; Ready LED indicator; Super battery life saver
  • Smart touch test switch on the top front of the unit; Result indicating by Bright LED Lights with sound
  • Power: USB Port, Power Adapter, or 4AAA Batteries (Alkaline recommended)

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