This set comes in a Helzberg Diamonds velvet pouch and includes matching necklace, bracelet and earrings. They appear silver with white, opaque stones. Unable to certify exactly if this is silver plated or sterling silver or what stone it is. No seen stamp on jewerly. All the jewelery appears to be in excellent conditon and well taken care of. Ebay asked to list metal purity above and we were unable to mark above that the metal purity is unknown. Stating here we do not know the metal purity. This appears to be nice jewelery and not costume jewelry but we are not certifiied jewelers and can not verify further than this description.