The blue raindrop gemstone on this striking sterling silver necklace from Hellfire Collection is just the type of unique look your artsy best friend will cherish. The best part is you'll help add some brightness to someone's life, since the piece was created especially to raise money for RAINN, the Rape, Abuse & Incest National Network, the nation's largest anti-sexual assault organization.

$60 at HellfireCollection.com, with $20 from every necklace sale benefitting RAINN