The prices quoted by various monumental masons were between £850 and £1,200 for a basic headstone so you should shop around for a good price.
The memorial was built from brown Portland stone in 1920 by monumental masons.
Her father was a monumental mason and was responsible for creating the town's war memorial outside St John's Church.
The monumental mason hasn't set to work yet, however; though there may be three in the grave, there's still only two names.
The headstone cannot be placed on his grave as a result and is still at the monumental mason's on Prebend Street.
Mr Kilburn added: ‘All memorials that are laid flat are done so gently by a monumental mason and are being laid on wooden blocks to prevent any damage to the stonework or the graves themselves.’