Paul Hackett/Reuters and Pool New/Reuters
Harry gave up his mother's engagement ring so William could propose to Middleton, Paul Burrell said.
In a documentary, Princess Diana's former butler said Harry originally inherited the sapphire ring.
"His one thing he kept from his mother, he gave to his brother," Burrell said.
Prince Harry gave up his mother's engagement ring to allow Prince William to propose to Kate Middleton with it, said Paul Burrell, Princess Diana's former butler.
When Diana died in a car crash in 1997, Prince Charles allowed the brothers to choose select items from her jewelry collection to remember her by, Burrell said.