This 18-karat gold-plated bangle features vibrant topaz and cubic zirconia for a bold, statement-making aesthetic. Topaz gemstones Cubic zirconia Box closure Material: 18-karat Gold-plated Brass Imported Standard Size 7 Bangle Bold jewelry pieces for making a statement. It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care.