18kt white gold Classic 11mm South Sea pearl stud earrings from YOKO LONDON featuring 18kt white gold, South Sea 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.. Conscious: We've partnered with Good On You – an ethical agency that rates how sustainably brands perform. This item comes from a brand that performs well in relation to their impact on the planet..