[Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone（with Battery）

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💍 Test with Confidence: Your Ultimate Diamond Detective!

The Upgraded Diamond Tester Pen is a high-accuracy electronic tool designed for quick and safe identification of genuine diamonds versus simulants. It features a portable design, emits audible alerts for easy reading differentiation, and is suitable for various gemstones including jade and rubies.