MULTI-FACETED GEMSTONE FOR MULTI-STONE JEWELRY ITEM
A gemstone having a crown which includes a multi-faceted crown surface and planar opposed side facets. The multi-faceted crown surface is arcuate from the front to the back of the crown. The gemstone is mounted to form, along with like gemstones, an article of jewelry having a continuous diamond look.
1 . A gemstone having a front, a back and a bottom, the gemstone comprising a lower pavilion and an upper crown, the crown having a top surface and a pair of depending opposed planar sides, the top surface of the crown having a convex shape such that the top surface arcuately runs in a lateral direction from said front to said back of said gemstone.
2 . The gemstone of claim 1 , wherein said top surface is non-arcuate in configuration as it runs in a longitudinal direction along the crown from one of said planar sides to the other of said planar sides.
3 . The gemstone of claim 2 , wherein the top surface of the crown is divided into a plurality of top surface portions with each pair of adjacent top surface portions being separated from one another by a linear peak that arcuately runs in a lateral direction along the crown from said front to said back of said gemstone.
4 . The gemstone of claim 3 , wherein each top surface portion is non-arcuate in configuration as it runs in a longitudinal direction along the crown.
5 . The gemstone of claim 4 , wherein each top surface portion has a slope in a longitudinal direction along the crown that is constant.
6 . The gemstone of claim 5 , wherein the slope of at least one of said top surface portions is positive and the slope of at least one of said other top surface portions is negative.
7 . The gemstone of claim 6 , wherein the slope of one of said top surface portions is the same as the slope of at least one of said other top surface portions.
8 . The gemstone of claim 5 , wherein the slope of at least one of said top surface portions is different than the slope of at least one of said other top surface portions.
9 . The gemstone of claim 6 , wherein the top surface of the crown comprises only two top surface portions with said two top surface portions being separated from one another by a single linear peak that arcuately runs in a lateral direction along the crown from said front to said back of said crown.
10 . The gemstone of claim 9 , wherein said single linear peak has an apex location therealong substantially halfway between said front and said back of said crown.
11 . The gemstone of claim 10 , wherein said gemstone has a height defined by the distance between said apex location along said linear peak and said bottom.
12 . The gemstone of claim 9 , wherein each of said two top surface portions runs away from said single linear peak in a downwardly longitudinal direction along the crown.
13 . The gemstone of claim 1 , wherein said planar sides are disposed in a vertically oriented direction as they run from said top surface to said lower pavilion.
14 . The gemstone of claim 1 , wherein said planar sides are inwardly directed towards one another as they run from said top surface to said lower pavilion.
15 . The gemstone of claim 1 , wherein said planar sides are inwardly directed towards one another as they run from said back to said front.
16 . An article of jewelry comprising:
at least one gemstone having a front, a back and a bottom, the gemstone comprising a lower pavilion and an upper crown, the crown having a top surface and a pair of depending opposed planar sides, the top surface of the crown having a convex shape such that the top surface arcuately runs in a lateral direction from said front to said back of said gemstone;
and a support for mounting at least one of said gemstones.
17 . The article of jewelry of claim 16 , wherein said article includes at least two gemstones, a planar side of one of said gemstones abutting a planar of said other gemstone when the gemstones are mounted on said support.