Diamond Moissanite Tester Gemstone Combo Tool

Professional-Grade Accuracy
Detects diamonds and moissanites instantly with 2-point precision testing. High-sensitivity sensor ensures reliable results for gemologists and jewelers.
Dual-Function Testing
Combines thermal conductivity (diamond) and electrical conductivity (moissanite) tests in one compact device. No separate tools needed for verification.
Durable & Portable Design
Lightweight aluminum alloy body with anti-slip grip. Fits easily in pockets or toolkits for on-site appraisals, pawn shops, or jewelry repair workshops.
One-Button Operation
Simple press-and-read function with LED indicator (green/red lights). No complex calibration—ideal for beginners and professionals.
Wide Compatibility
Works on loose stones, mounted jewelry, and lab-grown gems. Essential for auctions, retail stores, or personal collections.
Lifetime Battery
Low-power consumption with replaceable AAA batteries. Ready for long-term use without frequent maintenance.
Instant Verification
Eliminates guesswork when buying, selling, or appraising high-value stones. Trusted by jewelers worldwide for quick, accurate decisions.