| 摘要 |
Disclosed is a gem (1) that has a stellar appearance. Said gem (1) comprises a crown (2) having a plurality of crown facets, including a first group (6) of crown facets that taper in the direction of a girdle (4) and extend at an angle (a) of 22.5°±3°, preferably 22.5°+2° from the girdle plane (E), and a second group (7) of crown facets that adjoin the girdle (4) by their large side and extend at an angle (13) of 34°±3°, preferably 34°±2° from the girdle plane (E). Also disclosed is an arrangement comprising a gem. |
