The Allumonde Ring by DESIGN 21 is sleek, simple, and sure to dazzle your accessory-addicted girlfriend. Not only can you choose from a variety of colors and price points (even cute colored ones for your little niece!), you get to donate some of the proceeds to the non-profit of your choosing, plus additional funds to UNESCO, the United Nations Educational, Scientific and Cultural Organization.

$35-$2,500 at DESIGN21, with 19% of proceeds going to the charity of your choice, and 2% going to UNESCO