Features: Quick Ship Circumference: 8 Inch Jewelry Closure: Side Lock Clasp Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 3.5 Mm Width, 3.5 Mm Length Metal Color: White Care: Wipe Clean Stone Type: 12 Lab Created Opal, 11 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: October Birthstone Bracelet Type: Bangle Bracelets Metal: Sterling Silver Country of Origin: Imported Gemstones may be treated and may require special care. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.