Earrings are made with a mother of pearl heart attached to a golden base metal ring.  Ear hooks and components are base metal. Earrings are handcrafted at the Collarbone Jewelry Studio in Pittsburgh, PA. 

Measurements:  Mother of pearl heart is roughly 3/8" long and 3/8" wide.  Metal ring is roughly 7/16" diameter.  Earrings hang roughly 1 1/2" long.