Renaissance Revival Shades of Medium and Dark Blue with Copper Foil Cabochon Gold Tone Book Chain Necklace is approximately 18 3/4 inches long. The filigree stations of the larger Cabochons are 1 3/4 by 1 1/4 inches. The smaller settings are scalloped. This wonderful piece can be shortened to fit a smaller neck and worn as a choker. It has a fold over lock clasp in the back. As it is now it hits at about the collarbone, and drapes nicely around the neck.