Edwardian Diamond and Pearl Bow Pin. This light and lovely Edwardian natural pearl and diamond bow brooch is classically delicate as well as intricately and realistically crafted as you would expect from the Edwardian era. The brooch features rows of graduated pearls, which adds to its dimensional quality. The bow glistens in its entirety with tiny rose and single cut diamonds. It is constructed in the early Edwardian method of using platinum over 18 karat gold.