29. The Heavy Chain Necklace — We can thank Mr. Michael Kors for igniting our obsessions with heavy chain chokers. And for spring, the style seems to work with every trend and outfit under the sun. So be sure to add one to your collection, stat. 

Kate Spade Highline Gold Necklace, $99, available at Kate Spade; Vionnet Chain Necklace, $579, available at My Theresa.