Tiny AAA grade clear and sparkly pieces of Herkimer Diamond set in .925 sterling silver in the shape of a firecracker. They look like little pieces of raw diamonds! The pendant measures on average 12x18 mm, add another 8 mm for the bail. These pieces really have that amazing diamond like sparkle that made these Herkimer stones so famous! Sample piece shown and you will receive a similar piece. You are buying one piece.