18kt yellow gold Bellis diamond stud earring from SOPHIE BILLE BRAHE featuring 18kt yellow gold, polished finish, floral detail, bezel setting, round cut diamonds and for pierced ears. Please consider that this is sold as a single earring.. Pearls should be the last thing that you put on in the morning and the first thing you take off at night. Avoid contact with perfumes or creams, and simply wipe with a soft cloth to clean..