A Superb Antique Enameled Diamond Seed Pearl Pin, Vintage Art Nouveau circa 1890 Watch Pin in Gold. This piece is a beautiful example of the Art Nouveau movement. The brooch is composed of antique 10K gold with lovely polychrome enameling in shades of yellow and pink. The pin holds natural seed pearls and an antique single cut diamond at its lower center. The pin has a hook in the back that allows for you to hand a small watch or locket from it or you can pass a chain through this loop and wear it as a pendant with the diamond at the top. It would also be lovely suspended from a very fine strand of pearls. Overall the piece measures about 1 3/16 inch wide by about 11/16 inch long. It is in beautiful condition and is estimated to date to the Art Nouveau Era circa 1890.