Thermal Diamond Tester Pen for Gemstone & Jade Authenticity Detection

Detect real gemstones with confidence using this thermal conductor diamond tester, designed for quick and accurate verification of diamonds, jadeite, and other precious stones. Compact and portable, it’s the perfect tool for jewelers, collectors, and gemstone enthusiasts.

Key Features

• Thermal conductivity testing ensures accurate diamond verification

• Works with diamond, jadeite, jade, and other gemstones

• Instant LED and audible feedback upon detection

• Precision tip allows pinpoint contact with small stones

• Lightweight and portable—ideal for on-the-go testing

Why Choose the Thermal Diamond Tester Pen
Unlike unreliable visual inspection, this tester uses heat conductivity to detect authenticity in seconds. Whether you're checking a ring at home or verifying jewelry at a market, it's a reliable companion for real-time evaluation.

Perfect For

• Jewelry buyers and sellers

• Gemstone collectors and appraisers

• Pawn shops and gemstone trade booths

• At-home diamond authenticity checking

Specs

• Power: Requires 1×9V battery (not included)

• Weight: Approx. 50g

• Operation: Instant readout with LED/audio indicators

• Detection: Diamond, Moissanite, Jadeite, Jade, etc.

• Dimensions: Pocket-sized pen tester format

Your Portable Gemstone Expert
Never second-guess authenticity again—carry your thermal diamond tester pen and confirm the value of every sparkle.