Earring Back: Friction Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 4 Mm Length, 4 Mm Width Metal Color: Yellow Earring Length: 29.5mm Earring Width: 8.2mm Care: Wipe Clean Stone Type: 46 Lab Created Sapphire, 2 Lab Created Emerald Authenticity: Lab Created Stone Birthstone: May Birthstone Earrings Style: Drop Earrings Metal: 14k Gold Over 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.