18kt white gold Petal pearl and diamond earrings from YOKO LONDON featuring 18kt white gold, pavé-set diamonds, Akoya pearl, butterfly fastening and for pierced ears. These earrings come as a pair.. 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..