SWARVOSKI ELEMENTS. Swarovski Crystal 5810 4mm Pearl beads are as beautiful real cultured pearls, similar in weight and glowing with a warm natural lustre, bring classic elegance to your jewelry designs with Swarovski Crystallized pearl elements. They are the world’s first imitation pearls to combine a crystal core with an innovative, long-lasting pearl coating. These pearls offer wonderful design possibilities when combined with crystal - their non-sparkling, opaque gleam creating a soft, smooth contrast to the abundant brilliance of faceted crystal.