GIA CUT GRADE 什麽评级?从表上就可以查出
hi,
GIA CUT GRADE是跟据table:台面, pavilion:亭部,crown:冠部 ,culet:底刻面,girdle:腰部,...等
的大小和角度,跟表查出,
只要输入例如:table%:58,pavilion degree:41,crown degree:34,从表上就会见到E,即excellent.
分5个级别:E,V,G,F,P
E=EXCELLENT
V:VERY GOOD
G:GOOD
F:FAIR
P.POOR
Click入下面 :
https://diamondcut.gia.edu/charts/58_table.html
Sam