GEMSTONE CUT

Abstract

Disclosed is a gemstone (1), comprising: a crown region (20) having flat octagonal surface (30) at top; a pavilion region (40) having conical shape; a culet region (50) being provided at the tip of conical pavilion region; and a girdle region (10) being positioned between the crown region (20) and pavilion region (40), the girdle region (10) consists of upper girdle portion (11) connected to the crown region and lower girdle portion (12) connected to the pavilion region. The crown region (20) comprises: single table facet (30) having octagonal shape forming the top of crown region; sixteen kite facets (32) being positioned between the table facet and upper girdle portion, eight triangular shaped star facets (31) extending from the table facet to kite facets, sixteen upper girdle facets (33) being situated closest to the upper girdle portion. The the pavilion region (40) comprises: eight tiles facets (41) extending from the culet region (50), sixteen blade facets (43) being situated closets to the lower girdle portion (12), eight hexagonal shaped hexy facets (42) extending from tiles facets (41) to blade facets (43), eight spear facets (44) extending from hexy facets (42) to lower girdle portion (12). A gemstone cut is in such a way that it creates hearts and arrow loupe appearance in the gemstone which resembles to Lotus flower (Padma in Sanskit).

Claims

1. A gemstone (1), comprising: a crown region (20) having flat octagonal surface (30) at top; a pavilion region (40) having conical shape; a culet region (50) being provided at the tip of conical pavilion region; and a girdle region (10) being positioned between the crown region (20) and pavilion region (40), the girdle region (10) consists of upper girdle portion (11) connected to the crown region and lower girdle portion (12) connected to the pavilion region; wherein the crown region (20) comprises: single table facet (30) having octagonal shape forming the top of crown region; sixteen kite facets (32) being positioned between the table facet and upper girdle portion, eight triangular shaped star facets (31) extending from the table facet to kite facets, sixteen upper girdle facets (33) being situated closest to the upper girdle portion, wherein the pavilion region (40) comprises: eight tiles facets (41) extending from the culet region (50), sixteen blade facets (43) being situated closets to the lower girdle portion (12), eight hexagonal shaped hexy facets (42) extending from tiles facets (41) to blade facets (43), eight spear facets (44) extending from hexy facets (42) to lower girdle portion (12), wherein gemstone cut is in such a way that it creates hearts and arrow loupe appearance in the gemstone.

2. The gemstone cut as claimed in claim 1 wherein size of the table facet is 55% to 59% of girdle diameter, height of the crown region is 8% to 14.5% of the girdle diameter, height of the girdle region is 2.5% to 4.5% of the girdle diameter, height of the pavilion region is 41.4% to 43.5% of the girdle diameter and height of the gemstone from the table facet to culet region is 56% to 60.5% of the girdle diameter.

3. The gemstone cut as claimed in claim 1 wherein the gemstone (1) is diamond.

4. The gemstone cut as claimed in claim 3 wherein the diamond cut is in such a way that it creates hearts and arrow loupe appearance which resembles to Lotus flower (Padma in Sanskit).

Description

BRIEF DESCRIPTION OF THE DRAWING

[0033] FIG. 1: Shows perspective view of the gemstone in accordance to present invention.

[0034] FIG. 2(A): Shows highlighted crown region of the gemstone of FIG. 1.

[0035] FIG. 2(B): Shows highlighted girdle region of the gemstone of FIG. 1.

[0036] FIG. 2(C): Shows highlighted pavilion region of the gemstone of FIG. 1.

[0037] FIG. 3: Shows perspective view of gemstone of FIG. 1 with dimensions of different parts of the gemstone.

[0038] FIG. 4: Shows section view of the crown region of the gemstone of FIG. 1.

[0039] FIG. 5: Shows section view of the pavilion region of the gemstone of FIG. 1.

[0040] FIG. 6: Shows section view of the gemstone of FIG. 1. with hearts and arrow loupe appearance which resembles to Lotus flower (Padma in Sanskit).

DETAILED DESCRIPTION OF THE INVENTION

[0041] The invention and its further features and advantages are explained in more detail on the basis of the exemplary embodiments schematically represented in the figures.

[0042] While this invention is illustrated and described in a preferred embodiment, the gemstone may be produced in many different configurations, forms and materials. There is depicted in the drawings, and will herein be described in detail, a preferred embodiment of the invention, with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and the associated functional specifications for its construction and is not intended to limit the invention to the embodiment illustrated. Those skilled in the art will envision many other possible variations within the scope of the present invention.

[0043] It should be noted that the gemstone of the present invention can be a precious stone or a semi-precious stone, but in the preferred embodiment, the gemstone is a diamond. Thus, the type of gemstone should not be used to restrict the scope of the present invention. Furthermore, the specific parameters (e.g., depths, heights, ratios, and angles) are used for illustrative purposes only and should not be used to limit the scope of the present invention. Additionally, the shape of the gemstone in the figures corresponding to the specification and the preferred embodiment are for illustrative purposes only, and one skilled in the art can envision using other shapes (e.g., an oval shape, a marquis shape, etc.).

[0044] Referring to FIG. 1, the gemstone (1) in accordance to present invention is illustrated. The gemstone (1) mainly includes a girdle region (10), crown region (20), pavilion region (40) and culet region (50).

[0045] Referring to FIG. 1, the girdle region (10) is positioned between the crown region (20) and pavilion region (40). The girdle region (10) consists of upper girdle portion (11) connected to the crown region and lower girdle portion (12) connected to the pavilion region.

[0046] Referring to FIG. 4, the crown region (20) comprises total 41 facets. A single table facet (30) having octagonal shape forms the top of crown region. Sixteen kite facets (32) are positioned between the table facet and upper girdle portion. The eight triangular shaped star facets (31) extends from the table facet to kite facets. Each of the star facet (31) sits on one of the sides of the table facet. Sixteen upper girdle facets (33) are situated curcumfertially and closest to the upper girdle portion.

[0047] Referring to FIG. 5, pavilion region (40) having conical shape. The culet region (50) is provided at the tip of conical pavilion region. The pavilion region (40) comprises 40 facets. Eight tiles facets (41) extend from the culet region (50) and surround the culet region (50). Sixteen blade facets (43) are situated closets to the lower girdle portion (12). Eight hexagonal shaped hexy facets (42) extends from tiles facets (41) to blade facets (43). Eight spear facets (44) extends from hexy facets (42) to lower girdle portion (12).

[0048] Referring to FIG. 3, various dimensions and sizes of the parts of gemstone (1) are illustrated. The size of the table facet is 55% to 59% of girdle diameter. The height of the crown region is 8% to 14.5% of the girdle diameter. The height of the girdle region is 2.5% to 4.5% of the girdle diameter. The height of the pavilion region is 41.4% to 43.5% of the girdle diameter. The height of the gemstone from the table facet to culet region is 56% to 60.5% of the girdle diameter.

[0049] Referring to FIG. 6, the gemstone cut creating hearts and arrow loupe appearance in the gemstone is illustrated. The pattern of Hearts & Arrow loupe is formed by the arrangements and the size of the facets on crown region, pavilion region and girdle region as described above in FIGS. 1 to 5 above The pattern looks like a flower and resembles to Lotus flower (Padma in Sanskit). Therefore, one can name this pattern/cut as Padma diamond pattern/cut.

[0050] While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be understood by those skilled in the relevant art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.