Jul 9, 2007 · 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. IMPORTANT TO NOTE | The calibration of this product may be affected during shipping.

The GIA iD100 ® gem testing device combines advanced spectroscopic technology and more than 60 years of GIA diamond and gemstone identification research to deliver a sophisticated and easy-to-operate desktop instrument to screen your stones. Small, yet powerful, the GIA iD100 gives you a simple and clear determination in under two seconds and ...

Diamond Tester Jewelry Gem Stone Tester Kit – Professional 2-in-1 Tester for Diamonds, Moissanite, Metals, and Gemstones

The Presidium Gem Tester provides a quick, easy, laboratory proven way to identify Diamond and separate the most popular Colored gem stones from one another. This valuable tool can eliminate human error when identifying precious gems.

Apr 4, 2025 · Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

The Gemstone tester II is a compact and portable desktop instrument that features a clear and direct analog display for a quick way to identify diamonds/moissanites and separate up to 16 types of common colored gemstones from one another based on their thermal conductivity.

Find professional gem testers, refractometers, spectroscopes, and scales for accurate gemstone identification and grading. Rio Grande supports the art and industry of jewelry-making with a one-stop selection, exemplary service, technical expertise, and educational support.

Diamond Tester Jewelry Gem Stone Tester Kit – Professional 2-in-1 Tester for Diamonds, Moissanite, Metals, and Gemstones

Gemstone tester operate by assessing the thermal conductivity of materials. Diamonds are particularly notable due to their exceptionally high thermal conductivity, surpassing even silver, the next best heat conductor, by five times.

Quickly and accurately test your white gemstones with a gemstone tester and protect yourself and your customers against fraud. GemOro ® , Gemlogis and Presidium ® are reliable hand-held testers that deliver virtually instant results.