GIA會在證書上提供:
Shape(形狀)
Measurements(測量)
Weight(重量)
Depth Percentage(鑽深百分比)
Table Percentage(鑽面百分比)
Girdle Thickness(鑽腰百分比)
Culet Size(鑽底百份比)
Polish(拋光)
Symmetry(對稱)
Clarity Grade(鑽石淨度)
Color Grade(鑽石顏色)
Fluorescence(光度)
Comments about Diamond(鑽石評論)
Plot of Internal and External Inclusions(鑽石裹的內外物)
GIA天然鑽石戒指 0.51ct E/VS2/3EX H&A 18k
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