Pretty easy once you repeat the pattern a few times. You can use 4 or 5mm bicone beads instead of rondelle beads as well.
Materials:
21 5mm Faceted crystal rondelle beads (dark green)
21 4mm Fire Polished beads (light green)
seed beads - size 11 (red)
seed beads - size 11 (gold)
Fishing line - 70cm