Jewelry Closure: Box Clasp Setting: Prong Shape: Oval Stone Cut: Oval Stone Millimeter Measurement: 4 Mm Width, 6 Mm Length Metal Color: White Chain Length: 7 1/2 Inch Chain Construction: Casted Care: Wipe Clean Stone Type: 40 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: September Birthstone Bracelet Type: Tennis 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. Photos are enlarged to show detail.