• Stud is 2 mm, 2.5 mm, or 3 mm
• 18 gauge post
• 16k gold over sterling silver // white gold over sterling silver
• High quality blue opal
• Nickel free and hypoallergenic
• Stud is 2 mm, 2.5 mm, or 3 mm
• 18 gauge post
• 16k gold over sterling silver // white gold over sterling silver
• High quality blue opal
• Nickel free and hypoallergenic