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 Teal Crystal and White Gold or White Sapphire and Platinum: 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 Emerald-Cut Black Onyx Split Shank Jewelry design with meticulous attention to detail. Our precious metals are recycled or responsibly mined. Black onyx has the classic sophistication of wear-anywhere black.Our wide selection of Emerald-Cut Black Onyx Split Shank Jewelry by talented designers means you can find jewelry that's exactly your style. You can also shop by style, choosing our Collar/Choker, Satin Finish, or Statement Rings Collections. Gembuilder's fine quality Emerald-Cut Black Onyx Split Shank Jewelry is designed to be passed down for generations to come, crafted by hand in the United States.