The most famous waltz ever written The Blue Danube. With Vienna moral at a low Johann Herbeck was tasked with a commission to Johan Strauss to write a choral work; as moral was low, it was to be a joyful waltz to lift the countrys sprit. Fashioned from sterling silver, plated in 18k gold; then set with over 50carats of classic Diamondeau – flawless simulated diamond. We bring you the intricate and delightful Blue Danube collection.