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钻石问问
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GIA证书编号GIA Report Number
2185598519
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颁发日期Date Of Issue
2017/07/13
- 下载PDF文件DOWNLOAD PDF
GIA钻石分级证书GIA Diamond Grading Report
Round
0.40ct
F
VVS2
EX
EX
EX
N
圆形RBC~Round Brilliant 测测火彩HCA Test钻石严选Perfect Test
| 尺寸Measurements | 4.72 - 4.75 x 2.89 mm |
| 重量Carat Weight | 0.40 carat |
| 颜色Color Grade | F |
| 净度Clarity Grade | VVS2 |
| 切工Cut Grade | Excellent |
比例Proportions
| 全深比Depth | 61.0% |
| 台宽比Table | 60% |
| 冠角Crown Angle | 33.0° |
| 冠高比Crown Height | 13.0% |
| 亭角Pavilion Angle | 41.6° |
| 亭深比Pavilion Depth | 44.0% |
| 星小面比Star Length | 50% |
| 下腰小面比Lower Half | 75% |
| 腰棱Girdle | 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, Pinpoint, Feather, Indented Natural |
腰码Inscription(s)
| GIA 2185598519 |
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