At the moment I believe labs can make anything you want diamond wise... And somewhere around 2012 diamond grading labs started issuing certificates for man-made

At the moment I believe labs can make anything you want diamond wise... And somewhere around 2012 diamond grading labs started issuing certificates for man-made/synthetic stones. http://www.gia.edu/gem-lab-service/synthetic-diamond http://www.gia.edu/gem-lab-service/synthetic-diamond