Earring Back: Screw Back Post Setting: Prong Shape: Flower Stone Cut: Pear Stone Millimeter Measurement: 4 Mm Length, 3 Mm Width Metal Color: White Earring Length: 12.3mm Earring Width: 12.3mm Care: Wipe Clean Stone Type: 10 Genuine Amethyst, 32 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: February Birthstone 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.