- The perfect minimal huggie hoop with a tiny bit of green sparkle. With their unique hook design, these dainty hoop earrings are both dazzling and comfortable. - Hoop is 18 gauge which is 1mm thick, outside diameter is 11mm. Authentic emerald stone: 2.5mm x 2.5mm. - 14k THICK gold over sterling silver. The thick plating will last many years with proper care. - Hypoallergenic, nickel and lead free. - Tarnish resistant.