Question: how kohinoor went to england?
Answer: Later Kohinoor went to Ranjit Singh's Son, Dalip Singh. In 1846 the sikh lost the 2nd Anglo- Sikh war and through the treaty of Lahore it was decided that the diamond will be ceded to Queen Victoria. so, from 1850 the Kohinoor Diamond is with the Britishers and it was set up in the Royal throne.