What a stunning set of rings, Swarovski wants to take you amongst the stars with their latest two cool stacking rings, Duo-Moon Ring. The first one shines in gold plating with a round opal-inspired crystal centerpiece. The second one is also plated in gold but features a moon motif in gorgeous blue crystal paved on dark ruthenium plating. You can wear it individually or as together as a set for a glamour single look.