Our Custom Jewelry Designs from the design team at Gertrude Zachary Jewelry feature the highest quality materials available. The diamonds are hand selected by our knowledgeable and discerning staff. Our buyers receive first pick opportunities from many turquoise suppliers, allowing for the stones to be chosen right from the mine itself. Finally, our production team works to always provide each project with the highest quality of work. Please expect to be thrilled and surprised with your custom piece; that’s what we strive for.