Ring Style: Halo Rings Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 6 Mm Width Metal Color: Yellow Ring Gallery Height: 6.9mm Ring Top Length: 14.6mm Ring Top Width: 21.1mm Band Width: 2mm Care: Wipe Clean Stone Type: 1 Lab Created Opal, 16 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: October Birthstone Metal: 10k 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.