Rings are potent symbols of power, the circle of life, and promises to keep. At Gembuilder, we believe that the rings you wear should be one of a kind, like you. That's why all our December Birthstone Rings are made from scratch in your choice of gems and precious metals. Choose Alexandrite and Silk or Eilat and Silver & 14K Gold: it's your choice. Mix and match gems and precious metals for a look that's exactly you. Our impressive selection of December Birthstone Rings by talented jewelry designers means you can find a style that's perfect for you. Because all Gembuilder December Birthstone Rings are made to order, we can hand-select the finest quality materials to perfectly suit your design. Gembuilder's fine quality December Birthstone Rings are designed to be passed down for generations, hand-crafted by skilled craftspeople in the United States.