Patent ID: 11918088
Assignee: ALBERT GAD LTD.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A gemstone comprising:
a girdle defining a perimeter of the gemstone, the girdle having an octagon-shaped cross-section;
a crown forming an upper portion of the gemstone, a surface of the crown including:
a table forming a generally horizontal upper surface of the crown;
a plurality of star facets, each of the plurality of star facets being disposed adjacent to and abutting an edge of the table;
a plurality of upper intermediate crown facets, each of the plurality of upper intermediate crown facets being disposed generally between two of the plurality of star facets, an upper vertex of each of the plurality of upper intermediate crown facets abutting a vertex of the table;
a plurality of lower intermediate crown facets, each of the plurality of lower intermediate crown facets being disposed between two of the plurality of upper intermediate crown facets, an upper vertex of each of the plurality of lower intermediate crown facets abutting a lower vertex of one of the plurality of star facets;
a plurality of main crown facets, each of the plurality of main crown facets being disposed between two of the plurality of lower intermediate crown facets, an upper vertex of each of the plurality of main crown facets abutting a lower vertex of one of the plurality of lower intermediate crown facets; and
a plurality of upper girdle facets formed in pairs of adjacent upper girdle facets, each pair of adjacent upper girdle facets being disposed generally between two of the plurality of main crown facets, upper vertices of both upper girdle facets in each pair of upper girdle facets abutting a lower vertex of one of the plurality of lower intermediate crown facets; and

a pavilion forming a lower portion of the gemstone, a surface of the pavilion including:
a plurality of culet-adjacent facets forming a lower point of the pavilion;
a plurality of candle facets and a plurality of main pavilion facets, each of the plurality of candle facets being disposed between two of the plurality of main pavilion facets, a lower portion of each of the plurality of candle facets being disposed generally between two of the plurality of culet-adjacent facets, each of the main pavilion facets being disposed between two of the plurality of candle facets, a lower edge of each of the plurality of main pavilion facets abutting an upper edge of one of the plurality of culet-adjacent facets; and
a plurality of lower girdle facets formed in pairs of adjacent lower girdle facets, each pair of adjacent lower girdle facets being disposed generally between two of the plurality of main pavilion facets, each pair of adjacent lower girdle facets having an upper portion of a respective one of the plurality of candle facets disposed generally therebetween,

wherein the girdle is positioned between the crown and the pavilion, each of the plurality of upper girdle facets being disposed adjacent to and abutting an upper edge of the girdle, and each of the plurality of lower girdle facets being disposed adjacent to and abutting a lower edge of the girdle, and
wherein the gemstone has a table percentage between about 31 percent and about 34 percent, and wherein the gemstone has a girdle thickness percentage between about 5 percent and about 7 percent.