Earrings by Joanne Thompson These incredibly versatile tiny lentil shaped Carrie studs are the perfect everyday earrings. 5mm diameter with post fitting and sturdy butterfly fastening. They have a brushed gold finish, handcrafted by myself from domed solid silver sheet. The front of the earring is 18ct gold and the back, butterfly fastening and post are sterling silver.(image of stud on the ear is in yellow gold)Designed and handmade by Joanne Thompson. Features Primary Material : 18ct yellow gold Other Materials : sterling silver Fitting Type : Post or Stud Dimensions (mm) : 5mm diameter One of a Kind : No Metal : 18ct yellow gold and sterling silver Hallmarked : No Wire Material : sterling silver Cleaning InstructionsPlease store silver / gold out of direct sunlight and clean with 'silver dip' or a 'silver cloth'.