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SHENZHEN G-SUN OPTOELECTRONICS CO.,LTD
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Portable Thermal Conductivity Diamond Selector

SHENZHEN G-SUN OPTOELECTRONICS CO.,LTD

Portable Thermal Conductivity Diamond Selector

Portable Thermal Conductivity Diamond Selector

* Easy to use even for a new beginner * Emit audible sounds to give accurate reading * Diamond indicator will be showed if the stone is a REAL diamond (Green light) * Metal alert (continuous buzzing ...

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