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, ...

A rare purple-pink diamond likely to be worth tens of millions of dollars is on display in New York City this month. The rare 14.83-carat “fancy vivid purple-pink” diamond was extracted from a Russian ...

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.

A Sotheby's employee displays the rare Blue Moon Diamond during a preview at Sotheby's in Geneva, Switzerland, on Nov. 4. AP GENEVA — A large blue diamond, one of the world’s rarest, could fetch $35 ...

A new fractional ownership business centered on fancy colored diamonds will launch on May 18. Luxus, founded by hedge fund expert Dana Auslander and fashion journalist Gretchen Gunlocke Fenton, will ...