The Diadem-class cruiser was a class of "first class" protected cruiser built for the Royal Navy during the 1890s that served in the First World War. The class consisted of eight ships, built at a cost of around £600,000 each.
HMCS Niobe
Contemporary deck plan and port elevation of Diadem-class cruiser
The armored cruiser was a type of warship of the late 19th and early 20th centuries. It was designed like other types of cruisers to operate as a long-range, independent warship, capable of defeating any ship apart from a battleship and fast enough to outrun any battleship it encountered.
The Russian armored cruiser Rurik is an example of an armored cruiser.
Russian armored cruiser General-Admiral.
French armored cruiser Dupuy de Lôme
HMS Orlando