Encased and preserved in this tiny round 24k gold plated or .999 sterling silver plated frame is a single real mustard seed. This necklace is simple and elegant. It serves as a meaningful reminder that even our tiny steps of faith can move mountains. The mustard seed is known as a symbol of faith. “If you have faith the size of a mustard seed, you will say to this mountain, ‘move from here to there,’ and it will move; and nothing will be impossible to you.” Matthew 17:20 Chain is gold or silver plated brass 18.” Choose from plain or satellite chain. Materials are tarnish resistant.