The necklace and chain are approx. 16″ (40 cm) around, but adjustable to 18″ (45 cm), and the centerpiece is 2-3/4″ (7 cm) in length.
The earrings are approx. 1-1/2″ (3.8 cm) long and 3/4″ (1.9 cm) wide. Earrings also come with an extra pair of stabilizing earring backs.