Natural-color black diamonds typically are completely opaque, with a high luster that gives the stones an almost metallic appearance…. They are often more affordable than other diamonds, too. Most of the black diamonds sold for jewelry and engagement rings have been treated to induce the color.
What Is A Treated Diamond And How Does It Differ From A Natural Diamond?
http://conciergediamonds.com/ Treated diamonds or enhanced diamonds started as natural diamonds that after cutting …