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钻石问问
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GIA证书编号GIA Report Number
6255194092
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颁发日期Date Of Issue
2017/03/14
- 下载PDF文件DOWNLOAD PDF
GIA钻石分级证书GIA Diamond Grading Report
Round
0.31ct
G
VS2
EX
EX
EX
N
圆形RBC~Round Brilliant 测测火彩HCA Test钻石严选Perfect Test
| 尺寸Measurements | 4.29 - 4.33 x 2.71 mm |
| 重量Carat Weight | 0.31 carat |
| 颜色Color Grade | G |
| 净度Clarity Grade | VS2 |
| 切工Cut Grade | Excellent |
比例Proportions
| 全深比Depth | 62.8% |
| 台宽比Table | 56% |
| 冠角Crown Angle | 35.5° |
| 冠高比Crown Height | 16.0% |
| 亭角Pavilion Angle | 40.8° |
| 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(4.0%) |
| 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 | Cloud, Crystal |
腰码Inscription(s)
| GIA 6255194092 |
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