GIA钻石分级证书GIA Diamond Grading Report

Round  0.30ct  D  VVS1  VG  VG  VG  MB

圆形RBC~Round Brilliant 测测火彩HCA Test钻石严选Perfect Test

尺寸Measurements 4.18 - 4.24 x 2.67 mm
重量Carat Weight 0.30 carat
颜色Color Grade D
净度Clarity Grade VVS1
切工Cut Grade Very Good

比例Proportions

全深比Depth 63.4%
台宽比Table 59%
冠角Crown Angle 36.0°
冠高比Crown Height 15.0%
亭角Pavilion Angle 41.0°
亭深比Pavilion Depth 43.5%
星小面比Star Length 50%
下腰小面比Lower Half 80%
腰棱Girdle Medium to Thick(5.0%)
底尖Culet None

切工Finish

抛光Polish Very Good
对称Symmetry Very Good

荧光Fluorescence

荧光Fluorescence Medium Blue

净度特征Clarity Characteristics

净度特征Clarity Characteristics Pinpoint, Feather, Natural

腰码Inscription(s)

GIA 2185012318

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