Help Needed with Stone/Buff Mortar Combination Re-modelling
My builders messed up with Stone/Buff Mortar combination. It looks extremely dull now. Looking for some help to add some life back to this. Not looking to replace stone but may be with some slight change of Buff mortar color/filling between the stones or add some decorative bricks can make it look better.
Appreciate some expert advise and any recommendation if someone can help fix this guaranteed, and located nearby Plano/Frisco (DFW, Texas) area with least possible cost, please let me know.