A good example of this is a diamond nose pin. It is usually a yellow solid color and is crafted with 14 karat gold. This type of pierced jewelry is made by well-known artisans. The design is quite intricate and the craftsmanship is excellent. The diamonds on this jewelry make the piece look dazzling and sparkly. The seven-stone cluster is set on 20-gauge gold wire. The center stone is a diamond.