Ring Style: Cocktail Rings, 3-Stone Rings Features: Quick Ship Setting: Prong Shape: Flower Stone Cut: Marquise Stone Millimeter Measurement: 2 Mm Width, 5 Mm Length Metal Color: Yellow Care: Wipe Clean Stone Type: 7 Lab Created Opal, 7 Genuine Blue Topaz, 1 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: October Birthstone Metal: 18k Gold Over Silver Ring Size: 7 Country of Origin: Imported Gemstones may be treated and may require special care. Ring cannot be sized. 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. Set with genuine gemstones from Swarovski