At Gembuilder, we believe that the jewelry you wear should be as unique as you. Every beautiful Gembuilder Cushion Black Onyx Side Stones Jewelry design will be made just for you. Gembuilder uses only the highest quality materials to craft your Cushion Black Onyx Side Stones Jewelry with meticulous attention to detail. Our precious metals are recycled or responsibly mined. The little black dress of gemstones, opaque black onyx is the perfect wardrobe accents. Gembuilder's black onyx takes on extra polish in unusual, eye-catching faceted cuts.Our wide selection of Cushion Black Onyx Side Stones Jewelry by talented designers means you can find rings, earrings, and necklaces that are exactly your style. You can also shop by style, choosing our Huggie, Bridal, or Two Stone Collections. When our work is done and you open that box, you'll see your design is even more beautiful when brought to life in the finest precious materials.