On an eye pin, sandwich the rondelle bead between the wavy disk beads, and top with the stardust bead. Make a simple loop. See looping techniques in Basic Jewelry-Making Technique Sheet (PDF). Add top loop to ear wire.
Cut chain into two 2.5" pieces. Fold a chain piece at desired location (a little bit off the center), and add to bottom eye pin loop.
1 strand [use 2] #21-907-153 Bead, Gemstone, 12mm Faceted Rondelle (Crazy Lace Agate) - no longer available, a few possible subs are linked in as options.