When your in a nutral screen in bnet, (after u pciked your char, where is shows half the chat and the other half is the game joining and creating.), theres a fancy border seperating the 2(chat, and games) , and near the bottom, theres a pink/purple gem there, if u click on it, it says gem activated, or gem de-activated. WUT DOES THAT DO!!!!

anyhting at all? help me