F-Flawless/ 完美无瑕/ 无瑕
IF-Internally Flawless/内部完美无瑕,表面稍有微,无瑕疪(Blemish)/ 无瑕
VVSI-Very very slightly included/含极小瑕疪,非常困难才看到微花(Extremely difficult to see)/ 微花
VVS2 / 含极小瑕疪,难以觉察(Very difficult to see )/微花
VSI-Very slightly included/含极小瑕疪,不易看到(Difficult to see )/ 一号花
VS2/ 含极小瑕疪,比较易看到(Somewhat easy to see )/一号花
SII-Slightly included/含小瑕疪,容易看到 (Noticeable)/ 二号花
S12/含小瑕疪,肉眼 (不放大)也能看到(Visible with unaided eye)/ 二、三号花
I1-Included/不完美,瑕疪多或大,且影响其耐用性、透明度和光亮度,肉眼可易见(Obvious with unaided eye )/ 三号花
I2/不完美,瑕疪多或大,且影响其耐用性、透明度和光亮度,肉眼可易见 (Obvious with unaided eye ) /大花或四号花
I3/不完美,瑕疪多或大,且影响其耐用性、透明度和光亮度,肉眼可易见 (Obvious with unaided eye )/ 大花或四号花
Industrial quality/工业质素不适合用作宝石/(国标无评价) |