Watch auctions are divided into two categories: Patek Philippe and Rolex, which represent the bulk of the value; and everything else. Likewise, jewelry auctions fall into two camps: colored, large, or ...

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 ...

If variety is indeed the spice of life as some say, the upcoming Bonhams New York Fine Jewelry sale looks very hot. The April 24 auction includes fancy colored diamonds; signed pieces from Cartier, ...

Christie’s is proving that good things most definitely come in threes. The auction house has chosen an eye-popping trio of colored diamonds to lead its latest sales event. The Magnificent Jewels sale, ...

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 ...

White diamonds are still the stones of choice for engagement rings. But colored diamonds are catching up. Last month the Gemological Institute of America, one of the largest independent ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...

Colored diamonds, which have natural pink, blue, yellow, and other brilliant hues, will continue to be closely sought-after by collectors and investors in 2019, according to Russian diamond group ...