BACK TO START When it comes to jewelry for spring 2009, go big or go home! Carrying forward the statement necklace trend of the past few seasons, designers like Andrew Gn, Marni and Vivienne Westwood sent bigger, bolder jewels down the runway, including giant earrings, chunky necklaces and stacked bangles.   WHAT: Neon chandelier earrings WHERE: Topshop HOW MUCH: $40   WHAT: Chunky mixed medium bangles WHERE: Mango HOW MUCH: $59.90   WHAT: Multi-strand bead necklace WHERE: Forever 21 HOW MUCH: $9.80   WHAT: Floral chain link necklace WHERE: Arden B HOW MUCH: $24       BACK TO START