学会如何选择极佳净度的钻石是非常地必要了。

Learn how to choose an excellent clarity of the diamonds, very necessary.

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在其他条件相同的情况下，高净度级别的钻石价值较高。

Other things being equal, a diamond with a higher clarity-grade has a higher value.

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尽管自然决定了一颗钻石的色泽，净度和克拉重量，但是要使美钻发放璀璨光辉，有赖于工匠巧夺天工的技艺。

While nature determines a diamond's color, clarity, and carat weight, the hand of a master craftsman is needed to release its fire and beauty.

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