At Gembuilder, we believe that the jewelry you wear should be one of a kind, like you. That's why we make each piece to order, one at a time, just the way you want it. Choose No Stone and Alloy or Black Onyx and Brass: it's your choice. Mix and match gems and precious metals for a look that's exactly you. Gembuilder uses only the highest quality materials to craft your Marquise September Birthstone Jewelry design with meticulous attention to detail. Our precious metals are recycled or responsibly mined. Our wide selection of Marquise September Birthstone Jewelry by talented designers means you can find jewelry that's exactly your style. You can also shop by style, choosing our Stackable & Sets, Vintage Style, or Hoops Chains Collections. Gembuilder's fine quality Marquise September Birthstone Jewelry is designed to be passed down for generations to come, crafted by hand in the United States.