The CIEL combines thermal and electrical conductivity to distinguish between diamonds, moissanite and other diamond simulants. The PISTACHIO referential meter performs additional analysis of specific simulants and colored gemstones. Used together, PISTACHIO and CIEL allow for an instant, simple and laboratory proven way to segregate diamond, moissanite and variety of popular gemstones such as sapphire, topaz, emerald and glass at an affordable price. 3 AAA batteries not included. Arrives in original Gemlogis packaging, brand new!The item "Gemlogis CIEL and PISTACHIO Diamond Moissanite Simulant Tester Set & $10 GIFT" is in sale since Monday, July 10, 2017. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Testing & Identification Tools". The seller is "greatstuffromus" and is located in Bethel, Connecticut. This item can be shipped worldwide.