Features: Quick Ship Earring Back: Post Setting: Prong Stone Cut: Trillion Stone Millimeter Measurement: 5 Mm Width, 5 Mm Length Metal Color: White Earring Length: 16.3mm Earring Width: 7.8mm Care: Wipe Clean Stone Type: 4 Genuine Blue Topaz, 26 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: December Birthstone Earrings Style: Stud Earrings 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.