如果一颗钻石的车工及比例均属优良,对称的切割会令闪光及火采更加强烈。国外证书关于对称性的评价较为详细,从高到低依次有 ideal (ID), excellent (EX)(或Premium), very good (VG) ,fair (F) ,poor (P)。 Finish 修饰度/磨光 钻石切割和抛光之后的表面平滑程度。如果打磨手工上乘,钻石就拥有优质磨光。 三...
I can’t tell the differences between ideal vs excellent. I even compared an IF stone to an SI1 stones and could not tell the difference. What is the point of getting high quality stones on paper when a lower quality stones performs and looks pretty much the same? Paul Gian- October ...
A.1,2,3 B.2,3,4 C.1,3,4 D.1,2,3,4 查看答案
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But, if you truly want to getthe best cut of all, look attriple excellent diamonds(usually called “ideal” in the industry). This is where a diamond has “excellent” grades in 3 categories:cut, polish, and symmetry. As shown here: ...
However, there are some proportion ranges that you can use as a guideline to select well-cut diamonds. This is compiled based on my experience in dealing with super ideal cut princess diamonds and you can check it out below: ExcellentVery GoodGoodFair/Poor ...
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