SI1 denotes a higher clarity grade than SI2.

SI1等级表示其净度高于SI2等级。

youdao

SI2 Slightly Included: Inclusions are visible under 10x magnification, and may be visible with the unaided eye. A good diamond value.

SI同样分成1,2两级，意指瑕疵在10倍放大率之下可见，并且在肉眼之下也可能被看到。也算是比较不错的钻石。

youdao

SI2 Slightly Included: Inclusions are visible under 10x magnification, and may be visible with the unaided eye. A good diamond value.

SI同样分成1,2两级，意指瑕疵在10倍放大率之下可见，并且在肉眼之下也可能被看到。也算是比较不错的钻石。

youdao