Antique American Art Deco onyx & diamond bar pin, circa 1920. This 14 karat gold brooch features an onyx bar inset with three old European cut diamonds. The center is a .65 carat with VS1 clarity and GH color. The other two are .55 carat each, one with VS2 clarity and I color, the other with VS1 clarity and H color. The total diamond weight is 1.75 carats.
6.4mm H x 50.4mm W