The German Crown Jewels encompass both the Imperial Regalia

Imperial Regalia

The Imperial Regalia, insignia, or crown jewels are the regalia of the Emperors and Kings of the Holy Roman Empire. The most important parts are the Imperial Crown, the Holy Lance and the Imperial Sword...

 of the German Kingdom within the Holy Roman Empire and the Prussian Crown Jewels

Prussian Crown Jewels

The Prussian Crown Jewels is a set of crowns, orb and scepters used to crown Kings of Prussia of the Hohenzollern dynasty. After the King of Prussia became German Kaiser on the establishment of the German Empire on January 18, 1871, they were no longer used as the position of King of Prussia while...

, which the Prussians kings continued to use after becoming German Emperors

German Empire

The German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...

 in 1871. The German Empire had no physical Crown jewels, though a model of a German State Crown

German State Crown

In 1871 a design and model for a new state crown was created to reflect the new German Empire. The model was based upon the Crown of the Holy Roman Empire and was kept in the Hohenzollern museum at Schloss Monbijou in Berlin, until it disappeared during World War II. It has never re-surfaced. No...

was created and used in emblems.

The term may also be used in reference to regalia of the various constitutive German monarchies that sprang from the Holy Roman Empire and later were unified in the German Empire.

Since the end of the Germanic monarchies in 1918, the regalia and jewels of the different states have been kept in museums since all of Germany remains under republican rule.