Necklace features a designer cut oval of translucent laguna agate with a deep orange center Stone is securely encased in a fine silver bezel and sits atop two thick layers of sterling silver Pendant measures 40 by 25mm (about 1 1/2 by 1 inch) and is fairly heavy for its size Sturdy 18 inch cable chain with hand forged clasp Maker's mark stamped onto a disc on the reverse of the pendant