1、MR应当是man ring 的头字母缩写,这些代码未必行业通用,也有的用汉语拼音头字母缩写的,要看各自的编码方式。
2、例:主石元钻1/5 I2 H (D+石重+ct d+石重+ct) 这里面的I2= ? H=?
I2是钻石的净度等级 也就是P2级,比较差的那种
H是钻石的颜色等级,H色(D\E\F\G\H\I\.....)


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