Orthoceras & Herkimer Diamond Double Stone Adjustable RingOrthoceras & Herkimer Diamond set in a sterling silver band. Please inquire directly in store or for availability of current ring shapes and colors or for a virtual shopping experience. Band is discretely adjustable, just pinch or expand the two stones for the perfect fit. Orthoceras fossils were among the earliest forms of life and are regarded as one of the most gifted as well as brightest forms of ocean life. Orthocera are thought to possess