钻石净度为钻石视觉上的洁净程度,为钻石4c标准之一。在gia标准中,钻石净度级别从高到低划分为:无瑕级(fl)、内无瑕级(if)、极轻微内含级(vvs)、轻微内含级(vs)、微内含级(si)、内含级(i),其中钻石净度级别越高品质越好。
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