Gendercouples womens gemstoneimitation pearl opal length of earringsinch078approx2cm width of earringsinch039approx1cm jewelry typedrop earrings stud earrings occasionsports gift casual engagement daily valentine party business wedding bikini thank you beach graduation christmas gifts congratulations halloween housewarming office career birthday outdoor anniversary special occasion materialopal imitation pearl alloy shapecat jewelry stylebohemian turkish vintage