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 ...

While some diamonds whisper elegance, fancy color diamonds shout it—and their growing market value reflects that. Prices for fancy color diamonds have surged 205 percent over the past two decades, ...

Washington, D.C. (7News) — Washington, D.C. (7News) -- Gabriela Farfan, Coralyn Whitney Curator of Gems and Minerals at the Smithsonian National Museum of Natural History joined Good Morning ...

Sotheby's has just announced that at $460.5 million, its worldwide jewelry sales in 2012 were the highest ever for the company, beating its previous global sales record $404.6 million set in 2010.

The fancy color diamond market is on the upswing, according to a report, with blue diamonds seeing the largest gains. Blue diamonds saw a 5.9% increase in value in the fourth quarter of 2017 in a year ...

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 ...