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钻石问问
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GIA证书编号GIA Report Number
2218231599
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颁发日期Date Of Issue
2015/12/08
- 下载PDF文件DOWNLOAD PDF
GIA钻石分级证书GIA Diamond Grading Report
Round
0.30ct
E
VS1
EX
EX
EX
N
圆形RBC~Round Brilliant 测测火彩HCA Test钻石严选Perfect Test
| 尺寸Measurements | 4.30 - 4.32 x 2.67 mm |
| 重量Carat Weight | 0.30 carat |
| 颜色Color Grade | E |
| 净度Clarity Grade | VS1 |
| 切工Cut Grade | Excellent |
比例Proportions
| 全深比Depth | 62.0% |
| 台宽比Table | 57% |
| 冠角Crown Angle | 35.0° |
| 冠高比Crown Height | 15.0% |
| 亭角Pavilion Angle | 41.0° |
| 亭深比Pavilion Depth | 43.0% |
| 星小面比Star Length | 50% |
| 下腰小面比Lower Half | 80% |
| 腰棱Girdle | Medium to Slightly Thick(3.5%) |
| 底尖Culet | None |
切工Finish
| 抛光Polish | Excellent |
| 对称Symmetry | Excellent |
荧光Fluorescence
| 荧光Fluorescence | None |
净度特征Clarity Characteristics
| 净度特征Clarity Characteristics | Feather |
腰码Inscription(s)
| GIA 2218231599 |
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