钻石字典-G
时间：2010-06-08 23:33 来源：未知
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GIA Polish Grading(GIA抛光之分等) |
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Excellent, Very Good, Good, Fair, Poor |
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GIA Symmetry Grading(GIA对称性之分等) |
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Excellent, Very Good, Good, Fair, Poor |
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Girdle(腰部) |
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经刻面的钻石由侧面看去，中间连接冠部与底部有一环带部分成波浪状，称之为腰部或腰围。一般可分刻面腰围Faceted Girdle、抛光腰围Polished Girdle、粗糙腰围Rough Girdle。 |
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Growth Mark(生长记号) |
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生长记号为晶体表面反映生长过程的特征。钻石多以三角生长记号来辨识。 |
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