Recent Learning Center Articles
In the past if something looked like a natural diamond, it probably was a diamond. Today, technology exists to create, alter, or simulate a diamond. The potential for uncertainty is boundless. For that reason, descriptive words take on great importance and must be used accurately. The Federal Trade Commission addresses nomenclature in its Guide for the Jewelry, Precious Metals and Pewter Industries. Whether a diamond is natural, synthetic or imitation will have a bearing on its price. A natural diamond is more valuable than a synthetic with otherwise similar characteristics.
Treated diamonds are diamonds that have been manipulated in some way to enhance their beauty. Diamonds have been treated since the Victorian era. It is rarely evident to the naked eye when a diamond has been treated.
When a diamond is dark grey or truly black it is referred to in the trade as a black diamond also known as "carbonado". Such a diamond may be opaque to nearly semitransparent.
Pure green diamonds are extremely rare and highly valued, and range from the mint greens to the vivid grass greens. Only a handful of natural green diamonds are introduced into the market each year making green diamonds some of the most sought after of all natural diamonds.