Earring Back: Friction Setting: Prong Shape: Heart Stone Cut: Heart Stone Millimeter Measurement: 8 Mm Width, 8 Mm Length Metal Color: White Earring Length: 37.7mm Earring Width: 11.4mm Care: Wipe Clean Stone Type: 2 Lab Created Opal, 68 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: October Birthstone Earrings Style: Drop 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. Photos are enlarged to show detail.