Best Gte Gold Testers in 2026

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

【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.

SILVER TESTING KIT: Easily test the purity of silver with ToolTreaux’s Silver Testing Acid Solution Kit with Testing Stone! The kit includes two, 0.5oz shatterproof plastic squeeze bottles and one testing stone; the testing solutions are potent, effective and will see you through hundreds of future tests!

SILVER TESTING KIT METHOD: This silver testing method is best used on silver that is yet to be smelted, due to the harsh nature of the solution that could potentially damage an already finished item; if testing fine jewelry, sterling silver items or other finished items, be sure to choose an inconspicuous spot so as not to compromise the finished piece

HOW THE SILVER TESTING KIT WORKS: To test silver purity, scratch the item on to test stone leaving visible deposit, then place a small drop of the acid over deposit; the purity of the silver is approximated depending on the color the solution turns when applied to deposit; if solution turns red that indicates high quality silver; if solution turns blue or green the sample may contain brass or copper; if sample deposit dissolves, or solution turns a dark brown, it may be a base metal

【Versatile】 The tester has a very compact design, ideal for buying jewelry, buying diamonds, selling real estate, auctions, etc. The g tones must be clean, dry and at room temperature.

【Precise Diamond Tester】 This diamond tester has a very compact design and will help you tell the difference between a real diamond and a fake diamond.

【LED display】 This tester is supplied with a PU housing and a small test platform for holding loose stones. LED light and audio result display. Easy calibration for stones of different sizes.

Non-destructive Testing: The moissanite tester is a matching instrument with the diamond selector II. It is only used for the distinction of colorless Moissanite, Non-destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for Moissanite Tester

Portable: The size of the diamond selector II is about 16 * 4 * 2.1 cm/ 6.30 * 1.57 * 0.83 inches, and the size of the Moissanite tester is about 2.2 * 4 * 16 cm/0.87 * 1.57 * 6.30 inches. It is light and compact and easy to carry.

How to Use: Our diamond selector II can help you distinguish whether the diamond is a real diamond or a fake diamond. If the diamond is a real diamond, the green indicator will be displayed on the Diamond Selector II. When the user accidentally touches metal instead of stone, it will emit a constant buzzing sound

✅【High Accuracy】 The Diamond&Moissanite Tester is designed to help you quickly determine diamond and moissanite from other fake stones

✅【User-Friendly】: Diamond Detector is easy to operate, hold the meter in 90 Degree position to insert to the surface of diamond, then Green light(diamond) or Blue light(moissanite) will appear on the indicator

✅【High-precision chip】Diamond Tester is able to detect metal, the inditor will appear orange signal if touch metal material. If without this function, other testers selling on amazon can indicate a real diamond when you unknowingly touch the setting even if the diamond is fake.

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

SILVER TESTING KIT: Easily test the purity of silver with Silver Testing Acid Solution Kit with Testing Stone! The kit includes two, 0.5oz shatterproof plastic squeeze bottles and one testing stone; the testing solutions are potent, effective and will see you through hundreds of future tests!

SILVER TESTING KIT METHOD: This silver testing method is best used on silver that is yet to be smelted, due to the harsh nature of the solution that could potentially damage an already finished item; if testing fine jewelry, sterling silver items or other finished items, be sure to choose an inconspicuous spot so as not to compromise the finished piece

HOW THE SILVER TESTING KIT WORKS: To test silver purity, scratch the item on to test stone leaving visible deposit, then place a small drop of the acid over deposit; the purity of the silver is approximated depending on the color the solution turns when applied to deposit; if solution turns red that indicates high quality silver; if solution turns blue or green the sample may contain brass or copper; if sample deposit dissolves, or solution turns a dark brown, it may be a base metal