GemTrue Apex Synthetic Diamond Tester

The GemTrue Apex Synthetic Diamond Tester delivers precise identification of diamonds and simulants using advanced multi-sensing technology in a compact, professional-grade tool. Built for daily use at the bench or counter, it provides fast, dependable results with every test. Features Detects a wide range of materials including natural diamonds, lab-grown diamonds, moissanite, and common simulants Combines optical and thermal conductivity sensing for improved accuracy and consistency Suitable for testing both loose stones and mounted jewelry pieces High-resolution display with clear visual indicators and audio feedback Simple interface supports quick operation with minimal training USB-C rechargeable design for modern, convenient power management Compact, durable construction suited for retail, lab, or travel use Designed for professional jewelers, appraisers, and gemologists Specifications Tester Type 5-in-1 Synthetic Diamond Tester Detection Capability Cubic Zirconia (CZ)/Glass, Simulants, Natural Diamonds, CVD/HPHT Lab-Grown Diamonds, Moissanite Stone Compatibility Loose and Mounted Stones Minimum Stone Size 0.05ct+ (Round Brilliant Recommended) Recommended Color Range D-M color stones Display High-resolution screen with visual and audio indicators Battery Type Rechargeable Li-ion Polymer (USB-C) Battery Capacity 3.7V / 2200mAh Runtime Approx. 2 hours continuous use Charging Time Approx. 2 hours Auto Power-Off After 5 minutes of inactivity Dimensions 180 mm × 40 mm × 25 mm (7.09 × 1.57 × 0.98 in) Weight 0.30 lb (0.13 kg) Brand GemTrue What's Included Item Qty GemTrue Apex Tester 1 Metal Loose Stone Holder 1 User Manual 1 Cleaning Cloth 1 Protective Cloth Bag 1 Zip Carrying Case 1 Notes Charge fully before use; low battery levels may impact testing accuracy Use the included USB-C cable; standard 5V charging recommended (no PD fast charging) Allow stones to cool between tests to maintain consistent results Designed for polished stones within typical color ranges; unusual stones may require additional verification Minimum recommended stone size is approximately 0.05 ct+; performance may vary on very small or fancy-cut stones Clean probe tip and stones before testing to ensure accurate readings Unexpected results should be verified by a qualified gemological professional 2 Year limited warranty-6 months on battery