18k gold over sterling silver Chain, 2.5mm wide Lobster Clasp Made In Italy SIGNATURE ITALIAN OMEGA - Add style to a basic look with this solid and versatile 925 sterling silver Omega necklace. This simple necklace is polished and domed to create an everyday timeless classic with modern elegance. Perfect for any occasion, wear alone to elevate a casual or formal outfit, with your favorite pendant or layered with other chains for a trendy fashion statement.