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