House for Sale in Gem Valley It is in a Peaceful, affordable suburban living. 3 bedroom with bathroom. open plan kitchen which leads to the dining area. It has a carport for the car to park. Gem Valley is a full-title, suburban development in Mahube Valley, Mamelodi, Pretoria East. This is an excellent opportunity for the young professional to enter the ever-growing property market. Call to arrange your private viewing now!