The diamond, known as Ocean Dream, had an estimate of about $9-12 million.

The triangular-cut blue-green stone has a color so improbable that, as the Gemological Institute of America notes in its ...

From rare purple diamond discoveries to record-breaking sales, Paris Couture Week kicks off with a bang as new first-of-its-kind report presents the world's most coveted and rarest fancy colour ...

Larger carat sizes and stones with soul take pride of place in the 130-piece first chapter of "Le Chœur des Pierres" ...

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 ...

Christie's says a 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist has ...

President Donald Trump hosts the 2026 National Football Champions, Indiana University, at the White House. by Miya Moore Washington, D.C. (7News) — Washington, D.C. (7News) -- Gabriela Farfan, Coralyn ...

Despite the setback, the Sotheby's sale totaled more than $30 million, with 93% of lots sold. It was the highest ...

The rock now gracing Taylor Swift’s finger, along with US president Donald Trump’s doubling of tariffs on goods from India, has given a welcome boost to the diamond industry. Swift’s engagement lifted ...

Deformation, impurities, radiation — many factors lend unexpected color to a diamond. By C. Claiborne Ray A. In diamonds, unexpected colors may arise in a variety of ways. These include small and ...