Setting support for a fine ornamental precious stone

Details Setting support for a fine ornamental precious stone Setting support for a fine ornamental precious stone

1989-11-13

1991-09-03

Cranmer, Laurie K.

Jewelry

Gem setting

63 27, A44C 1702

Patent

active

050441779

ABSTRACT:
The setting support (1) for a stone (21), of the general type produced from metal and comprising an axial bore (16) which is intended for receiving the stone (2) and the front end part (17) of which forms a seat for the collet (10), the necessary plurality of separate setting claws (19) intended to assume position on the crown (9), and at least one facet (20) performing the function of increasing the apparent dimension and brilliance of the stone (2), wherein a mirror facet (20) is arranged along a chord of the setting support (1), in such a way that this mirror facet (20) can extend in a direction at least substantially parallel to one or more adjacent facets (11, 12, 13) of the stone (2), especially of the crown (9), the effect of this arrangement being to ensure the function of the facet (20) of the setting support (1) effectively.

REFERENCES:
patent: 1319251 (1919-10-01), Schless
patent: 1368909 (1921-02-01), Eliasoff
patent: 1400460 (1921-12-01), Rosenthal
patent: 1449158 (1923-03-01), Wittstein

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