These huggie hoop earrings feature an Emerald CZ flush set in a gold hoop. Measures 13mm in diameter Heavy 18kt Gold Plate over brass with e-coating for extra longevity, nickel-free ** A Note From The Land of Salt: Our pieces are plated 1 micron thick, industry standard is .125. Quality is extremely important to us, and we wanted to ensure these pieces will last and work well for sensitive ears