Victorian Diamond and Silver-Upon-Gold Bow Brooch, Circa 1880, 4.00 Carats

A Victorian diamond and silver-upon-gold bow brooch, with a central old-cut diamond in a cut down setting, representing the knot, with old-cut and some rose-cut diamonds in grain settings in the ribbon, mounted in silver-upon-gold, circa 1880, with a later pin and roller catch fitting and safety chain, with an approximate total diamond weight of 4.00 carats.