Explains in non-technical terms how to use the SSEF Diamond-Type Spotter and SSEF Blue Diamond Tester to identify diamonds and how to separate natural diamonds from imitations treated diamonds synthetics and look-alikes. The approach is direct and practical and its style is easy to understand. With this highly accessible guide booklet anyone can begin to master gem identification using the SSEF Diamond-Type Spotter and SSEF Blue Diamond Tester.