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1. WO2020109960 - DIAMOND CUT

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

Claims

1.- Cut diamond, characterised in that it is a convex polyhedron and has fifty-six facets, of which four rows of eight facets on the pavilion side, and three rows of eight facets on the crown side, whereby the crown side is also pointed.

2.- Cut diamond according to claim 1, characterised in that the eight lower star pavilion facets come together in the culet or in the apex of the pavilion such that a symmetrical eight-pointed star shape is formed when viewed from below.

3. - Cut diamond according to claim 1, characterised in that the axis running through the middle of the crown 2 and through the apex of the pavilion 3, or through the middle of the culet, if present, preferably is an eight-fold symmetrical axis.

4.- Cut diamond according to claim 1, characterised in that the eight pavilion star facets come together in the culet or in the apex of the pavilion such that a symmetrical eight-pointed star shape is formed when viewed from below.

5. - Cut diamond according to claim 1, characterised in that the different dimensions related to the girdle diameter, and the angles related to the girdle diameter are in accordance with the values given in the following table:

6. - Cut diamond according to claim 1, characterised in that the girdle is not faceted.

7.- Cut diamond according to claim 1, characterised in that the girdle is faceted.

8. - Cut diamond according to any one of the previous claims, characterised in that a culet facet is present.

9.- Cut diamond according to any one of the previous claims, characterised in that the pointed apex of the crown is replaced with a small table facet.