Invisible setting for round diamonds

Details Invisible setting for round diamonds Invisible setting for round diamonds

1991-06-10

1992-05-26

Luebke, Renee S.

Jewelry

Gem setting

63 32, 63 291, A44C 1702

Patent

active

051156490

ABSTRACT:
A method and apparatus for invisibly setting round diamonds is disclosed. The diamonds are provided with grooves cut in the pavilion below the girdle of the diamond, and a round barrel is provided which has ridges projecting inwardly from the inner wall of the barrel. The diamond is rotated into the barrel to interlock the ridges within the grooves formed in the diamond to hold the barrel and diamond securely together. The barrel is formed of deformable metal which itself is hammered thereby further preventing relative rotation between the diamond and barrel and ensuring the diamond is securely set within the barrel.

REFERENCES:
patent: 1207773 (1916-12-01), Larson
patent: 2141363 (1938-12-01), Rigollet
patent: 3933011 (1976-01-01), DiGilio
patent: 4800738 (1989-01-01), Bunz
patent: 4813246 (1929-03-01), Richards
patent: 4982581 (1991-01-01), Furuyama

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