Patent ID: 7971452

Claim:
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, having six main crown facets, twelve crown half facets, a table facet, six main pavilion facets and a plurality of girdle facets separating the crown facets from the pavilion facets with each of the six main crown facet having a symmetrically positioned and substantially identical opposite crown facet of substantially equal size and angle degree surrounding the table facet and having at least one edge in parallel alignment with a corresponding edge in the main crown facet opposite thereto, wherein said plurality of girdle facets comprises three main girdle facets and six subsidiary girdle facets and wherein the main crown facets are in parallel alignment with a subsidiary girdle facet and each of the six main pavilion facets are aligned with the six main crown facets and the six subsidiary girdle facets respectively.