PDMT-A Presidium Diamond Tester – Professional & Portable Authenticity Tool

Precision Testing
– Accurately detects diamonds (0.02ct+) and distinguishes them from moissanite or cubic zirconia with reliable conductivity analysis.
Ultra-Compact Design
– Handheld pen-style tester (4.5 oz) fits in pockets or jewelry kits, ideal for on-site gemologists, pawnshops, or auction houses.
Durable Build
– Aerospace-grade aluminum alloy casing with scratch-resistant tip ensures longevity under frequent use.
Instant Results
– Single-button operation delivers clear LED indicators (green for diamond, red for non-diamond) within 2 seconds.
Versatile Application
– Perfect for jewelry appraisers, pawnbrokers, or vintage buyers verifying loose stones, rings, and luxury watches with hidden diamonds.
Battery-Powered Convenience
– Includes 9V battery (30+ hours runtime) for fieldwork without charging hassles.
Trusted by Pros
– Used globally in labs and retail stores for its consistent accuracy under ISO-certified calibration standards.
Wholesale Advantage
– Direct factory pricing ensures unbeatable value for bulk orders (10+ units).