The inclusions or imperfections that determine ... "If it scratches, it’s not a diamond; it’s certainly synthetic," says Wegman. "The idea of trying to scratch it probably isn’t going ...

In addition to growth patterns, Weinstein said inclusions can offer details to a diamond's origin. Weinstein said elements found underground can sometimes mix with natural diamonds. More from Tech ...

But if the mineral inclusions contain certain elements ... In part two, learn about colored diamonds, how scientists are growing synthetic versions in the lab, and global efforts to curb the ...