Leibish & Co., unveiled its World of Colors guide for identifying fancy colored diamonds in New York Thursday (January 19). A day earlier, I spoke privately with Leibish Polnauer, the president and ...

When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

These tinted diamonds make up just 0.01 percent of all natural diamonds mined, appearing in shades of pink, blue, yellow, green, and even red. Since 2005, pink diamonds have increased in value by ...

Each year, millions of visitors crowd around a display case in the Smithsonian Museum of Natural History in Washington, D.C., for a glimpse of one of the most legendary gemstones in the world: the ...

The popularity and price of fancy colored diamonds have been on the rise globally, driven by Asian investors. From 2006 to 2014, fancy colored diamonds (pink, yellow, and blue diamonds) experienced an ...