Gold-tone hoop earrings with crystal accents

I lost my gold-tone hoop earrings yesterday around 3pm outside the Tate Modern entrance on Bankside, London, near the Millennium Bridge. They're small—about 2 cm hoops—with a single clear crystal drop on one earring. They're from Mango, and the finish is slightly worn from daily wear. One earring has a tiny micro-scratch near the clasp, and the other shows a faint tarnish along the back. They're sentimental because my sister gave them to me last year, so I really need to get them back; if you find them, please message me here and we can arrange a pickup near Borough Market.