The buckle is custom, one of a kind. It is made of sterling silver. It measures 3" x 2" and can take up to a 1-1/4" wide belt. It is solidly crafted weighing 76 grams. It is thick enough that it isn't going to ever fold or crease from wear. The high dome blue green cabochon is natural azurite. The buckle is pre-owned and is in excellent condition. Shipping is priority with signature required.