证书号 | 6445494002 |
类型 | Diamond Grading Report |
日期 | 08/30/2022 |
腰码 | GIA 6445494002 |
尺寸 | 6.36 - 6.40 x 4.01 mm |
形状 | Round Brilliant |
重量 | 1.00 carat |
颜色 | L |
净度 | SI2 |
切工 | Very Good |
全深比 | 62.9% |
台宽比 | 55% |
冠角 | 34.0° |
冠高比 | 15.0% |
亭部角度 | 41.4° |
亭深比 | 44.0% |
星小面比 | 50% |
下腰小面比 | 80% |
腰厚 | Medium to Slightly Thick, Faceted, 4.0% |
底尖 | None |
抛光 | Very Good |
对称 | Good |
荧光 | Strong Blue |
特征 | Twinning Wisp, Feather, Crystal, Cavity, Needle, Indented Natural |
评语 | Additional twinning wisps, pinpoints and surface graining are not shown. |