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钻石问问
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GIA证书编号GIA Report Number
2185338871
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颁发日期Date Of Issue
2017/04/20
- 下载PDF文件DOWNLOAD PDF
GIA钻石分级证书GIA Diamond Grading Report
Round
1.00ct
J
SI2
VG
EX
VG
N
圆形RBC~Round Brilliant 测测火彩HCA Test钻石严选Perfect Test
| 尺寸Measurements | 6.34 - 6.37 x 3.91 mm |
| 重量Carat Weight | 1.00 carat |
| 颜色Color Grade | J |
| 净度Clarity Grade | SI2 |
| 切工Cut Grade | Very Good |
比例Proportions
| 全深比Depth | 61.5% |
| 台宽比Table | 62% |
| 冠角Crown Angle | 32.5° |
| 冠高比Crown Height | 12.5% |
| 亭角Pavilion Angle | 41.4° |
| 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 | Medium to Thick(5.0%) |
| 底尖Culet | None |
切工Finish
| 抛光Polish | Excellent |
| 对称Symmetry | Very Good |
荧光Fluorescence
| 荧光Fluorescence | None |
净度特征Clarity Characteristics
| 净度特征Clarity Characteristics | Feather, Crystal, Cavity, Needle, Indented Natural, Natural |
备注Comments
| Clouds are not shown. Pinpoints are not shown. |
腰码Inscription(s)
| GIA 2185338871 |
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