Cut your chain into 2 equal lengths, setting one aside.
String a Swarovski heart onto your chain.
Open your eye-pin, and add the end lengths of your chain to hang your heart.
Close your eye-pin.
Add a Swarovski Bicone / Sterling Silver Round / Swarovski Bicone to your eye-pin.
Trim excess wire.
Attach to your ear wire.
Repeat for your second earring.