We offer round gemstone beads in 4mm, 6mm, 8mm, 10mm, and 12mm measurements. You'll find 2 dimensions of oval semiprecious gemstone beads and a number of other sizes of rectangle or nugget gemstone beads. Design with semiprecious gemstone chips, puff cash, squares, and a lot more! Nearly all of our gemstone beads are available in sample packs o