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US 5,533,364 AGranted
Facing marquis halves to form a marquis stone
AssigneeM. Fabrikant & Sons, Ltd.
InventorJoseph Freilich
Life of this patent
Estimating the term…
Abstract
A gem for a piece of jewelry is made from smaller gems set by prong settings to provide abutting facets of each in which the line of abutment is substantially invisible to the ordinary observer. The facing facets are angled with respect to an imaginary plane therebetween.
Claims6
A marquis appearing jewelry stone assembly which employs a pair of facing jewelry stones to produce a marquis appearing jewelry stone larger than either of the facing jewelry stones, said assembly comprising:
- one of said pair of facing jewelry stones comprising a first half marquis jewelry stone having a matching edge at one end and an end point at an opposite end of said facing jewelry stones, the other of said pair of facing jewelry stones comprising a second half marquis stone having a matching edge at one end and an end point at an opposite end of said facing jewelry stones, each of said first and second half marquis stones comprising facing bezels and base pavilions, said facing bezel of said first half marquis stone facing said facing bezel of said second half marquis stone, said base pavilion of said first half marquis stone facing said base pavilion of said second half marquis stone, said first and second half marquis stones abutting each other along said matching edges to form a junction between said first and second half marquis stones, each of said base pavilions comprising a multi-faceted surface, wherein each of said first and second half marquis jewelry stones comprise a cullett apex, each of said half marquis stones having a length defined as the distance between said matching edge and said end point, said cullett apex located approximately 6/10-7/10 of said length of the stone towards said matching edge from said end point.
Dependencies are inferred from the claim text.