These black druzy quartz stones are set in rose gold plated bezel. - The diameter of stone is 6 mm. ( 0.236 inches ) . - Metal settings is 18K Rose Gold Plated. Metal is nickel, lead and cadmium free. Druzy stones are natural and they are coated with titanium to bring out a consistent black color. They shine like diamond. They will make you seem sparkle wherever you go. The earrings will be sent in a gift box. *