A diamond is formed under intense pressure — buying one can be a similar experience, but done correctly it can also be one of the most satisfying. Not only is a beautiful ring a symbol of your love ...

The Azure Blue was one of two exceptional blue diamonds that led Christie's auction. The second, a 5.04-carat fancy vivid blue diamond, fetched more than $8.1 million ...

The auction reflects the continued strength in fancy-colored diamonds and exceptional colored gemstones at the high end of ...

The price of both natural and lab-grown diamonds has tumbled in the past two years, according to a report, as marriage proposals slowed and inflation increased. Diamonds might still be out of many ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do exist—from the fog test to the water-drop test—but the only way to be sure is by ...

Diamond possesses excellent physical and electronic properties, and thus various applications that use diamond are under development. Additionally, the control of diamond geometry by etching technique ...