Amor Azul Medium HEART Necklace. Heart Measures 18mm & it's Gold plated Sterling. Necklace measures approx. 16" long. Chain and clasp are14Kt gold filled. Made in USA. A Stunning “Campitos Turquoise from Mexico” carved into a domed Heart and set to dangle from a 14kt filled chain. Note: Each natural Turquoise is unique in its colors and stone patterns.