Officials at Blue Diamond Growers were still assessing the damage done to the cooperative’s Sacramento manufacturing facility after a four-alarm blaze there late Monday that sent two workers to a ...

The Mellon Blue is a 9.51-carat internally flawless fancy vivid blue pear-shaped diamond. It is one of the top fancy blue ...

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 ...

Jewelry can really pull an outfit together, but is it worth millions? Some say so. Since jewelry can appreciate in price, sometimes buying an expensive set of gems is worth the investment. Read Next: ...

You can find high-quality, affordable engagement rings at a variety of retailers, including Blue Nile, Brilliant Earth, ...

JOHANNESBURG (miningweekly.com) – The sale by Southern African diamond mining company Petra Diamonds of an exceptional blue diamond in its fifth tender cycle lifted the average prices per carat ...

What will $50 million get you at auction? Last month, Sotheby’s sold Sandro Botticelli’s Man of Sorrows painting for $45.5 million, and today it announced it is offering another masterpiece that's ...

An exceptionally rare blue gem became one of the most expensive diamonds sold by Christie’s when it went under the hammer in Geneva on Tuesday. An unidentified buyer paid CHF 39,505 million (US$43.8 ...