This Presidium Moissanite Tester is used in conjunction with a conventional diamond tester after separating other simulants from diamond and moissanite. 
This Presidium Moissanite Tester should be used in conjunction with a conventional diamond tester after separating other simulants from diamond/moissanite. Uses electrical conductivity to distinguish moissanite from diamond. This tester operates on AAA batteries(not included). Optional AC adapter sold separately

Brand: Presidium
Country of origin: Singapore