Included: 2 Earring Stud(s) Earring Back: Post Setting: Bead Stone Cut: Round Stone Millimeter Measurement: 5 Mm Length, 5 Mm Width Metal Color: Yellow Center Stone Weight: 1/2 Ct. Earring Length: 5mm Earring Width: 5mm Rounded Carat Weight: 1/2 Ct. Care: Wipe Clean Stone Type: 2 Lab Created Opal Authenticity: Lab Created Stone Birthstone: October Birthstone Earrings Type: Post Earrings Earrings Style: Stud Earrings Metal: 14k Gold Over Silver Country of Origin: Imported Metal may be rhodium plated to enhance appearance and reduce tarnishing. Photos are enlarged to show detail.