The beautiful 5mm rainbow moonstone circle charms sit on standard size 12mm x 1.2mm hoop earrings – all in solid 925 sterling silver. Please note these natural gemstones are cut, polished and then set by hand – each item will therefore be slightly unique. Nickel and Lead Free, Non Allergic. 925 Sterling Silver Standard size hoops 12mm Charm hoop series Circle/Geometric theme Hoop Dimensions: Length=12mm, Width=1.2mm, Stone: 5mm Material: 925 Sterling Silver & Rainbow Moonstone