Ring Style: Cocktail Rings, Promise Rings Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 5 Mm Length, 5 Mm Width Metal Color: Yellow Ring Gallery Height: 1.4mm Care: Wipe Clean Stone Type: 4 Lab Created Sapphire, 1 Lab Created Ruby Authenticity: Lab Created Stone Birthstone: July Birthstone Metal: 10k Gold 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.