Earring Back: Friction Setting: Prong Shape: Oval Stone Cut: Oval Stone Millimeter Measurement: 7 Mm Length, 5 Mm Width Metal Color: Two Tone Earring Length: 19mm Earring Width: 10mm Care: Wipe Clean Stone Type: 2 Genuine Onyx, 14 Lab Created Sapphire Authenticity: Genuine Stone Earrings Type: Post Earrings Earrings Style: Drop Earrings Metal: 10k Gold, 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.