Herkimer Diamond Ring Etsy Jewelry by Natsuko: Herkimer Diamond Ring Herkimer Diamond Ring Dainty Diamond Ring Raw stone ring Etsy Diamond and Amethyst Ring Etsy Herkimer Diamond Adjustable Ring Shop Herkimer Diamond Jewelry at Herkimer Diamond Ring Etsy. Orthoceras & 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 physical healing powers and are considered to increase the life span of a wearing individual by reducing toxins, stress and anxiety. Herkimer diamonds are associated with healing, increasing spiritual energy, and opening chakras. They are also known as the "stone of attunement."