This 14K yellow gold Mateo O initial diamond necklace features an emerald cut crystal pendant with a pavé diamond initial underlay and coordinating border. Crafted in the United States, it's designed with an adjustable rolo chain and fastens with a lobster clasp. There are some things in life that we never tire of, like this Mateo necklace. It's the kind of piece you'll wear oooover and ooooover again.