10 Best Diamond Testers 2024 in the US

1.

Assisted Thermal Calibration: Enables easy self-calibration to adapt to the testing environment, ensuring accurate results.

2.

Industry Trust: Redesigned for enhanced compactness, durability, and portability, making it a reliable choice for professionals.

3.

Ultra-Thin Probe Tip: Features the thinnest retractable probe tip for precise testing of gemstones.

4.

Versatile Gemstone Identification: Provides consistent and reliable results, capable of identifying diamonds, moissanites, and other common colored gemstones.

5.

User-Friendly Operation: Designed with a clear and easy-to-read analog dial, simplifying the process of differentiating up to 16 types of gemstones.

1.

Fast and Safe Testing: Quickly and accurately distinguishes genuine diamonds from fakes with safety in mind.

2.

Intuitive LCD and LED Indicators: Features an easy-to-read LCD display and LED indicator with audible sounds for clear and convenient reading results.

3.

Ease of Use: Designed for straightforward operation, allowing both novices and experts to use the tool without the need for professional training.

4.

Versatile Testing Capabilities: Includes switches to test different sized diamonds, enhancing the tool's versatility.

5.

Complete Kit: Comes with all necessary accessories including a leather pouch, testing platform, user manual, and a 9V battery to start testing immediately.

1.

Dual Power Supply: USB Type-C and 9V battery options for flexibility.

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High Accuracy: Indicates genuine diamonds without causing harm.

3.

Imitation Detection: No sound or red light for imitation stones.

4.

60X Magnification: Includes LED magnification for detailed inspection.

5.

Easy to Use: User-friendly design with an attached manual.

1.

Low Power Usage: Ensures efficient operation, conserving energy and reducing costs.

2.

Low Battery Indicator: Provides timely alerts to ensure the device is always ready for use.

3.

Instant Recovery Time: Allows for continuous testing without delay between tests.

4.

Thermal Conductivity Testing: Accurately identifies diamonds and differentiates them from simulants.

5.

Metal Detector Alert: Warns the user to prevent accidental contact with gem mountings during testing.

1.

Professional Diamond Selector: Quick, precise, and safe diamond testing.

2.

Intuitive Design: LCD display and LED indicator for easy reading.

3.

For Imitation Detection: No sound or red light for imitation stones.

4.

Metal Alert Buzzer: High-frequency beep for metal detection.

5.

Bright LED Light: Dual LED for visibility in low light conditions.

1.

Multi Gemstone Tester: Detects real or fake diamonds, sapphires, rubies, crystals, agates, jadeites.

2.

Simple to Use: Easy operation, no professional required; beeps if gemstone is real.

3.

High Precision Scale: 200g max weight capacity, reads in 0.01g increments, 6 weigh modes.

4.

Portable and Convenient: Comes with carrying cases, fits in purse or backpack.

5.

Versatile Application: Suitable for various fields like jewelry appraisal, education, and more.

1.

Diamond Testing: Emits beeping sound and lights up for real diamonds and Moissanite.

2.

Initialization Setup: Turn wheel to keep 4 green lights on for accurate results.

3.

Pocket Scale: 200 gram max weight capacity with 0.01g increments.

4.

60X LED Magnification: Includes small microscope for gems, coins, antiques, and more.

5.

Battery Requirement: Ensure battery temperature is above 10℃ for accurate testing.

1.

Professional Accuracy: Designed to provide precise results for both novice and expert jewelers.

2.

Genuine Diamond Indication: Capable of distinguishing between real diamonds and fakes.

3.

Adjustable Testing: Includes large/small switches to accommodate different diamond sizes.

4.

Audible Sounds: Provides sound alerts to facilitate clear and easy readings.

5.

Battery Powered: Operates on a convenient and portable 9v battery power source.

1.

Diamond Detection: Distinguishes diamonds from fake stones.

2.

Metal Alert Buzzer: Warns when probe touches metal.

3.

Imitation Stone Test: No sound or light for imitation stones.

4.

Battery Life: Battery lasts about one hour; replace if needed.

5.

Bare Hands Operation: Tests must be done with bare hands for accuracy.