Koh-i-Noor: The History of the World's Most Infamous Diamond Koh-i-Noor: The History of the World's Most Infamous Diamond Koh-i-Noor: The History of the World's Most Infamous Diamond is a 2017 book on the Koh-i-Noor diamond written by William Dalrymple and Anita Anand. The gem is one of the largest cut diamonds in the world, weighing , and part of the British Crown Jewels. Koh-i-Noor is Persian for "Mountain of Light"; it has been known by this name since the 18th century. It changed hands between various factions in modern-day India, Pakistan, Iran, and Afghanistan, until being ceded to Queen Victoria after the British conquest of the Punjab in 1849.
Prussian Crown Jewels with the lavish, heavily bejewelled crowns of other monarchies (e.g. British, Russian), the Prussian crown jewels were sometimes described as "rather plain". The regalia includes: In the absence of further state regalia for the German Empire (1871–1918), the older royal Prussian Crown Jewels were sometimes also regarded as the German Crown Jewels: Prussia became a part of the German Empire in 1871 and its king also became German emperor. The German Empire became a republic in 1918 and, at the same time, Prussia became part of the federal republic. Most of the Prussian regalia are on public display in the