TRIANGULAR SHAPED DIAMOND WHICH DISPLAYS HEARTS AND ARROWS PATTERN

摘要

A triangular shaped diamond adapted to display a hearts and arrows pattern when exposed to light comparable to the hearts and arrows pattern in a round diamond, comprising: six main crown facets (a-f), twelve crown half facets (cfa-cfl), a table facet (t), six main pavilion facets (pfa-pff) and a plurality of girdle facets separating the crown facets from the pavilion facets with each main crown facet (a) having a symmetrically positioned opposite crown f acet (d) of substantially equal size surrounding the table facet and having at least one edge (12) in parallel alignment with a corresponding edge (13) in the main crown facet opposite thereto.