23. The Cocktail Ring — For those among us who are perpetually short on closet space, the cocktail ring can offer myriad inspirational options. That's why we encourage you to collect them like you would printed socks or lipsticks…because no matter where you're going or what you're wearing, you can just never have enough. 

Banana Republic Illusion Band Ring, $35, available at Banana Republic; Mawi Stacked Tube Ring, $405, available at Mawi.