Iranian Crown Jewels of nearly a decade, Nader Shah Afshar successfully drove the Afghans from Iran. In 1738, the Shah launched his own campaign against the Afghan homeland. After taking and raiding the cities of Kandahar and Kabul as well as several principalities in far-off northern India, and sacking Delhi, the victorious Nader Shah returned to Iran with what remained of the plundered crown jewels as well as several other precious objects now found in the Iranian Treasury. These included diamonds, emeralds, rubies, sapphires, and other precious gemstones. Four of the most prominent acquisitions from this conquest were the Koh-i-Noor and Darya-ye Noor
Crown Jewels of the United Kingdom include the Koh-i-Noor diamond presented to Queen Victoria in 1850 following the British conquest of the Punjab. Originally and set in an armlet, it was cut down to an oval brilliant weighing , which Victoria mounted in a brooch and circlet. The second was Queen Mary's Crown; also unusual for a British crown in having eight half-arches, it was made in 1911 for the coronation of Queen Mary and George V. It contains 2,200 diamonds and has contained Cullinans III and IV. In 1914, both stones and the Koh-i-Noor were replaced with crystal replicas and the arches were made detachable