18kt rose gold Trend freshwater pearl and diamond earrings from YOKO LONDON featuring 18kt rose gold, chain-link detailing, for pierced ears, post-back fastening, AA quality 4-4.5mm freshwater pearls and round-cut diamonds totalling 0.054ct. These earrings come as a pair.. This piece comes with a certificate of authenticity.. 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..