| 摘要 |
The present invention is directed to a brilliant diamond comprised a crown portion having a table facet, a plurality of upper main facets, star facets, and upper girdle facets. The upper girdle facets form upper girdle intersecting sides and upper main facet intersecting sides. A pavilion portion has a plurality of lower main facets and lower girdle facets, which are formed in a substantially aligned arrangement with the upper girdle facets. The lower girdle facets including a lower girdle intersecting side and a lower main facet intersecting side. A girdle surface is located in between the crown and the pavilion portions, where the profile of the girdle surface includes a wide portion at areas of intersection with the upper main facet intersecting sides and a narrow portion at areas of intersection with the upper girdle facet intersecting sides.
|
