If you like unusual sustainable designs, consider Green Tree Jewelry. They describe themselves best: Green Tree Jewelry is an American laser-craft small family business with a sustainable mission that designs and makes all products in California.  The owners at Green Tree Jewelry love supporting small businesses, especially those with a focus around being as sustainable as possible and supporting made in USA companies or fair trade.

These cup of tea earrings are made from laser cut wood, and there are more whimsical designs on their web site. These sell for USD$14.95.