钻石4C一Clarity IF VVs 1 VVs2 VS1 VS2 SI1 SI2 I1 I2 I3 Very Very Very Slightly Slightly imperfect Indusions visible Internally Flawless slightly indusion induded,very small indusions small indusions to the naked eye 钻石的内含物（10倍放大镜下看)：类似白色羽毛状的 杂质、白色或黑色斑点、白色棉花状的团块等。钻石4C—Clarity 钻石的内含物（10倍放大镜下看）：类似白色羽毛状的 杂质、白色或黑色斑点、白色棉花状的团块等