Siviglia 18ct Yellow Gold Aquamarine & Diamond RingMarco Bicego Siviglia 18ct Yellow Gold Aquamarine & Diamond Ring, AB610 B AQ01 Creations from Marco Bicegos Siviglia collection are inspired by the cobbled streets of Seville. Italian artisans at the companys design house use hand engraved techniques to bring each design to life, like this elegant and timeless Marco Bicego Siviglia ring. The bulino tool adds a unique texture to the surface of the ring creating an almost ancient and rustic finish to