This necklace features an AB Swarovski Crystal. The crystal is large and eyecatching at 40mm high and 25mm wide. It is sure to turn some heads because it is so sparkly! The "Timeless" Pendant comes with a 16 inch sterling silver chain. We do have 18 and 20 inch chains available. If interested in the longer size, please specifiy that during the checkout process and we will send you the size you want.