Ring Style: Halo Rings, Cocktail Rings Features: Quick Ship Setting: Prong Shape: Cushion Stone Cut: Cushion Stone Millimeter Measurement: 6 Mm Width, 8 Mm Length Metal Color: White Ring Gallery Height: 7.5mm Ring Top Length: 10.5mm Ring Top Width: 13.5mm Band Width: 2mm Care: Wipe Clean Stone Type: 18 Lab Created Sapphire, 1 Genuine Opal, 36 Genuine Spinel Authenticity: Genuine Stone Birthstone: October Birthstone 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. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.