Profile East Coast Granite and Design East Coast Granite and Design offers a huge selection of luxury countertops in Charleston SC. Explore the possibilities! Get your free estimate today! Last activity: on 16/01/2018 Joined: on 30/11/2017 http://www.eastcoastgranitecharleston.com/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.