High precision portable diamond testing pen - electronic jewelry authenticity detector, a diamond selector for beginners and experts, suitable for diamonds, jade, rubies - battery powered, non rechargeable(battery free)

Identify real gemstones with confidence using the High Precision Portable Diamond Testing Pen – the ideal tool for jewelers, collectors, and enthusiasts. Whether you’re a beginner or an expert, this battery-powered, non-rechargeable diamond selector provides fast and accurate results for diamonds, jade, rubies, and other gemstones.

Equipped with advanced electronic sensing technology, this tester detects the thermal conductivity of gemstones to determine authenticity within seconds. The clear LED indicator and audible buzzer alert make it easy to use, even for those new to gemstone testing.

Its compact and lightweight design makes it perfect for carrying to markets, exhibitions, and appraisal sessions. The wear-protection tip ensures long-lasting use, while the conductive metal panel enhances accuracy.

Specifications:

Product Type: Electronic Diamond Testing Pen

Material: Durable plastic housing with conductive metal panel

Dimensions: 15.5 cm x 4 cm (6.1 x 1.57 in)

Power Supply: Battery-powered (battery not included)

Testing Range: Diamonds, jade, rubies, and similar gemstones

Features: LED indicator, buzzer alert, wear-protection tip

Portability: Compact design for handheld use and easy storage