Icy ring with a natural Herkimer diamond quartz in rhodium-plated 925 sterling silver. Handcrafted in our workshop. A very bright and transparent unique stone that is born with this one size fits all in Herkimer, NY. DETAILS Material: 925 Sterling Silver. Finish: Rhodium. Stone: Herkimer transparent quartz. Approximate measurements 7-8mm. Adjustable size.