In ancient times, the horseshoe was believed to be a charm that provided protection from all evil. Its shape is also reminiscent of a crescent moon, a symbol of fertility and prosperity. Mix & match it to conjure up your own lucky look! TOUS Good Vibes horseshoe earrings in 18kt yellow gold with 0.06-ct, L/I size single-cut diamonds. Horseshoe size: 0.8 cm. Push back.