Matt and Sina have been in Americas Mart, Atlanta, Georgia since 1980 years. Masina Diamond Studio has an excellent reputation and distinguished and leader CUSTOM JEWELRY. You can zoom in on these pictures of our store by clicking the store image on this page. Specializing in custom jewelry is their main goal and they are able to precisely design any custom pieces for your desire. As a certified member of the GIA, they are well equipped to answer all of your questions and help you find the stone and setting that is right for you.