Presidium Gem Tester – Professional Gemstone & Diamond Testing Tool

Accurate & Reliable Testing
– Advanced thermal conductivity technology instantly distinguishes diamonds from simulants with precise readings.
Durable & Portable Design
– High-quality stainless steel probe and compact pen-style body ensure long-lasting performance for on-the-go jewelers.
Wide Compatibility
– Tests diamonds, moissanite, cubic zirconia, and other gemstones, ideal for jewelry shops, pawnbrokers, and gem collectors.
User-Friendly Operation
– One-button functionality delivers quick results with LED and audible alerts for effortless verification.
Trusted by Professionals
– Crafted with precision engineering for consistent accuracy in gem identification and appraisal.
Bulk Order Advantage
– Wholesale pricing available for high-volume buyers, backed by global logistics support.