From James Avery, this necklace features:  Celebrate your birth month, or the birthday of someone you cherish, with this 14k gold necklace from James Avery, inspired by the company's Cherished Birthstone Rings. Ideal for layering with other birthstone necklaces or worn on its own for a sweet, sparkling statement. 14k yellow gold Set with a 5mm round faceted gemstone  Lobster clasp closure Adjustable from approx. 15 to 17 inches Adjustable from approx. 18 to 20 inches Crafted in America using the world's finest materials.