Herkimer Diamond HoopsThese lovely herkimer hoops are made of either solid brass or solid sterling silver wire. I hammer the metal on both planes to give it strength and texture. These are a great everyday piece that will go with anything! ? Stone: 6 10mm herkimer quartz crystals ? Hoop diameter: 1" 1 1 8" ? Metal: Solid brass, solid sterling silver, or gold filled ? Nickel and Lead free . About the metal Gold filled: Although more expensive, this is by far the best and