






💎 Test Like a Pro, Shine with Confidence!
The Hqdz Diamond Tester Pen is a professional-grade, rechargeable electronic device that uses thermal conductivity to accurately distinguish real diamonds from simulants. Featuring an easy-to-read LCD and LED display, it offers quick, safe, and non-destructive testing for diamonds and other gemstones. Lightweight and portable, it’s perfect for jewelry professionals, hobbyists, and anyone who values authenticity on the go.







| Brand | Hqdz |
| Model Number | H-101 |
| Color | Diamond Tester Pen |
| Product Dimensions | 16.51 x 3.05 x 3.05 cm; 132 g |
| Item Weight | 132 g |
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