This clasp features a piece of blue glass that is faceted both front and back. So, once set a great deal of reflection and shine appeared. This is one of our clasps made specifically for wearing in the front. The clasp mechanism is set at the top of the clasp so there will be no danger of it flipping over and ruining the final presentation. The glass is a vintage piece of Czech crystal. The cabochon is set in a sterling silver box clasp. The centerpiece is 16 mm by 16 mm. The rings make the clasp 25 mm from ring to ring.