Earring Back: Friction Setting: Prong Shape: Pear Stone Cut: Pear Stone Millimeter Measurement: 7 Mm Length, 5 Mm Width Metal Color: White Earring Length: 28.6mm Earring Width: 13.3mm Care: Wipe Clean Stone Type: 2 Lab Created Opal, 38 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: October Birthstone Earrings Style: Drop Earrings Metal: Sterling Silver, 10k Gold 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.