These coin pearl beads are naturally pink and beautiful! The color and the shape makes them a real winner! We don't mind the irregular shape of these pearl beads and think you will appreciate them too. Sometimes mother nature is inconsistent, and we like it Freshwater coin pearl beads are created when a small flat disc shaped shell, instead of a round bead, is inserted into the oyster or more commonly these days, mussel. Most of these pearls are farmed in rivers, lakes or streams. The result is a a fabulous flat disc shape pearl. Our freshwater coin pearl beads are picked by their luster and size.