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Diamond Tester High Accuracy Diamond Tester Pen

【Complete Initialization Settings】 After powering on, turn the wheel so that the 4 green lights are always on to complete the initialization.

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Professional Gold, Silver, Platinum Jewelry Testing Kit with Stone Ins – GOLD TESTING EQUIPMENT

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【High Precision】: This diamond tester set not only detects diamonds but also tests for moissanite, making it a versatile tool for gemstone

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