Stage 1, Add and close three small jump rings to the ear wire to make a chain.
Stage 2 Add a large ring into the first jump ring under the ear wire and close.
Stage 3 Add a large ring into the second small jump ring and through the large ring and close.
Stage 4 Add a thrid large ring into the bottom small jump ring and through the other two large jump rings, add the 12 mm Swarovski Crystal and close. Repeat with other earring.