Genderwomens gemstonerhinestone opal length of earringsinch098approx25cm width of earringsinch078approx2cm jewelry typehoop earrings drop earrings stud earrings occasiongift casual engagement daily valentine party business wedding bikini thank you beach graduation christmas gifts congratulations halloween housewarming office career birthday outdoor anniversary special occasion sports materialopal rhinestone alloy shapegeometric jewelry styledouble sided vintage