Diamond Tester Pen Equipment with USB Testing Pen Tool for Novice Jade Stone

【Quality material】: Crafted from quality ABS material, this diamond tester pen is sturdy and resistant to wear. 1pcs Diamond Tester Pen. 1 USB Cable. 【User friendly design】: Specifically designed for diamond detection, this jewelry selector is simple to operate and provides quick and accurate differentiation between real diamonds and other simulated gemstones.

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