This round 18 karat responsible gold plating with a recycled brass core earring has a post closing with a simple stud. Available in 2 different sizes, this is the medium version. 

This earring contain:

• 18 karat responsible gold plating
• With a recycled brass core
• High or Satin polish 
• Diameter Ø 15mm
• Plate 1mm
• Compare it to the large