The BIG John Detectorists Diamond Tester is a portable electronic diamond testing device used to distinguish real diamonds from fake or simulated stones. Ideal for the metal detectorist to test their finds. You never know, it may just be the crown jewels!
The BIG John Detectorists Loupe features an impressive 40x magnification through a 25mm lens, making it ideal for identifying small markings on metal detecting finds including dates on coins, silver markings, clarity of diamonds.
With innovative NEW multi-frequency technology, the EQUINOX Series redefines all-purpose detecting for the serious enthusiast. Equally adaptable for all target types and ground conditions, just set your detecting location and go!
With the added functionality of Gold Mode, High Frequency 20/40 Hz., Wireless audio accessories and Advanced settings.