Number 18 Eighteen Charm, 10k Yellow Gold, 18th Birthday or Anniversary HIGH QUALITY 10K YELLOW GOLD: Diamond-cut finish MAKES A GREAT GIFT: Number 18 charm arrives in a gift box STAMPED 10K: Dimensions - 17mm x 11mm (11/16" x 7/16") SATISFACTION GUARANTEED: We are a US-based family-owned business that promises superior customer service including excellent communication and easy returns. FAST & FREE SHIPPING: Orders leave our warehouse by the next business day