Gemological Certificate
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Definition
An official document issued by an independent gemological laboratory that records the graded characteristics of a gemstone, including measurements, weight, color, clarity, cut, and any detected treatments.
Detailed Explanation
由独立宝石学实验室出具的正式文件，记录宝石的分级特征，包括尺寸、重量、颜色、净度、切工及任何检测到的处理情况。