Sterling silver blue Cz stud earrings. Beautifully crafted in Sterling Silver. These earrings come as a halo style stud, with one round blue cubic zirconia set in the centre enhanced by a selection of smaller cubic zirconia’s to complete the halo style. These stud earrings come with a butterfly back for pierced ears. Don’t forget to shop our full collection of Silver & Co to complete this stunning set of jewellery. Stud earrings measure approximately.