Brilliant-cut stone

Details Brilliant-cut stone Brilliant-cut stone

1979-08-10

1982-01-05

Shay, F. Barry

Jewelry

Gem

A63H 1700

Patent

active

043087272

ABSTRACT:
A jewel of a brilliant type cut is made with facet angles with respect to the girdle plane as follows:

REFERENCES:
patent: 946939 (1910-01-01), Gonard
patent: 1131593 (1915-03-01), Bashor
patent: 2009390 (1935-07-01), Bayardi
patent: 2447407 (1948-08-01), Grain

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