Stick pins are very collectible especially from the Victorian era. This pin is made from 9K yellow gold and has robin's egg blue enameling on the knot head. It is set with a .07 carat cushion-cut diamond. Gorgeous. Unsigned, tests 14K. There is a bit of enamel loss noticeable under magnification. In excellent condition otherwise. Measures 2 1/4" long. The head of the stick pin measures 5/8" in diameter.