Earring Back: Hinged Setting: Prong Shape: Marquise Stone Cut: Marquise Stone Millimeter Measurement: 3.5 Mm Width, 7 Mm Length Metal Color: Two Tone Earring Length: 20.5mm Earring Width: 5.8mm Care: Wipe Clean Stone Type: 2 Genuine Onyx, 16 Lab Created Sapphire Authenticity: Genuine Stone Earrings Type: Post Earrings Earrings Style: Hoop 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.