Step-cut stone which has been brilliantized

Details Step-cut stone which has been brilliantized Step-cut stone which has been brilliantized

1982-07-20

1985-12-03

Shay, F. Barry

Jewelry

Gem

A44C 1700

Patent

active

045559163

ABSTRACT:
A step-cut stone with a straight edged polygonal shaped girdle comprising: a generally pyramidal base which is provided with kite-shaped facets extending from the culet toward the vertices of the girdle and ridges along lines between the culet and the middle of edges of the girdle; and a crown with at least girdle and table breaks wherein at least one of these breaks is cut with triangular shaped facets.

REFERENCES:
patent: 4020649 (1977-05-01), Grossbard
Long et al., "Facet Design", vol. 4, publ. in pamphlet form by authors at Seattle, Wash., Nov. 1981, pp. B-11,13,15,21.

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