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 Calcite and Silver & 14K Gold or Light Blue Crystal and Silver and Gold: 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 Yellow Gold Marquise September Birthstone Jewelry design with meticulous attention to detail. Our precious metals are recycled or responsibly mined. Yellow gold glows with a rich buttery golden color. Gembuilder offers a choice of 14k yellow gold, the most popular gold alloy, or 18k yellow gold, a premium gold with a deeper color and higher gold content.Our wide selection of Yellow Gold 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 St Patricks Day, Cleaner, or Classic Collections. Gembuilder's fine quality Yellow Gold Marquise September Birthstone Jewelry is designed to be passed down for generations to come, crafted by hand in the United States.