Hand cut and hand placed Mosaic shell tiles surround Agate beads in this designer necklace by Marianna and Richard. The tiles each measure approximately 5x5mm square. They provide such a unique and mesmerizing look! The center bead measures 1 1/4" while the six surrounding beads are each 1". there are six black Agate beads between the mosaic elements and each of those is 1/4". the entire necklace is 22" long and closes with a shell disk toggle clasp.