Siam crystals by Swarovski display a rich, deep red color that's stunning in jewelry. Siam crystal beads are popular as birthstone beads for January (as a garnet substitute) and are sometimes used for July (as a ruby substitute). Choose from over 40 siam beads, pendants and crystal stones including classic bicones, teardops, rivolis, and much more. Siam is just one of many exciting red colors by Swarovski that you'll find at Rings & Things. Best yet, most of our crystal jewelry supplies are available at wholesale price breaks when you buy in volume.