PORTABLE: The handle of ergonomic design is convenient to grip. The compact size is easy to use and portable to store DURABLE QUALITY: Diamond Tester
Upgraded Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone(with Battery)
Top Sales NITECORE GEM10UV Diamond Jade Jeweler Antique UV Light 3000mW 365nm Professional Gemstone Identification Wholesale - AliExpress
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This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond
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Gemological Instruments, Gem Testing Instruments
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Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone