At Gembuilder, we believe that the Trillion December Birthstone Jewelry you wear should be precious because it's personal. Every beautiful Gembuilder design is made just for you, in your choice of gems and precious metals. Your child's birthstone is Green Agate. Your favorite gem is Color. Add your own meaning to every design, creating beautiful memories and brilliant reminders. Gembuilder uses only the highest quality materials to craft your Trillion December Birthstone Jewelry with meticulous attention to detail. Our precious metals are recycled or responsibly mined. Our wide selection of Trillion December Birthstone Jewelry by talented designers means you can find jewelry that's just your style. Clean your Trillion December Birthstone Jewelry with mild dish soap: use a soft brush where dust collects. Gembuilder's fine quality Trillion December Birthstone Jewelry is designed to be passed down for generations to come, crafted by hand in the United States.