This was also the place where he would display his prized possession , the Koh - i - Noor .
During the Sikh Empire , Shah Burj became Ranjit Singh 's favourite place , who built a harem on top of the Sheesh Mahal .
This was also the place where Ranjit Singh would display Ranjit Singh 's prized possession , the Koh - i - Noor .
During the Sikh Empire , Shah Burj became Ranjit Singh 's favourite place , who built a harem on top of the Sheesh Mahal .