We offer 3 different Diamond and Moissanite Testers, and 4 different Gold testers. Diamond testers work on the principal of thermal conductivity, while our Gold Testers include both manual kits using acids and touchstones, as well as electronic testers. Click on the pictures or hyperlinks below to r...

Mizar DiamondNite All-In-One Diamond and Moissanite Tester DiamondNite is the first and only one step dual tester for non-diamond such as cubic zirconia, artificial moissanite, or genuine diamond. Just touch the probe to the stone - no beep means it is a CZ or other fake, the first continuous beep m...

System Requirements: Windows XP, Vista, or later Microsoft .NET 2.0 (on CD) CD-ROM Drive 120 MB of Hard Disk Space 800 x 600 Display resolution Note: After installation of the program using the CD-ROM drive, you do not need to insert the CD each time that you later use the program. This makes the pr...

Welcome to Mineralab's web site. We offer a unique selection of affordable and easy-to-use tools for making your own mineral and gem identifications. Click on the pictures below. Hardness Points Specific Gravity Balances Geiger Counters UV Lights Gem Identification Diamond and Gold Testers Books Sof...

The Presidium Gem Computer Gauge estimates the weight and identifies gemstones with much greater precision and consistency. This tool incorporates a precise digital calipers to measure the size of a gemstone, adds to that your input of the type of gemstone cut, and uses that data to estimate weight....