A 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist sold for $17.3 million ...

The Azure Blue is one of two important blue diamonds being offered at Christie’s. The second is a 5.04-carat fancy vivid blue ...

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

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

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

One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby’s. Named “The De Beers Cullinan Blue,” it is the biggest vivid blue ...

Add Yahoo as a preferred source to see more of our stories on Google. It’s a moment that Sacramento has sought to avoid for decades. Blue Diamond Growers, the 115-year-old almond cooperative that made ...

OTHER MAJOR NEWS WE’RE ON RIGHT NOW BLUE DIAMOND ANNOUNCING IT IS SHUTTING DOWN ITS PLANT IN MIDTOWN SACRAMENTO, LIVECOPTER3, FLYING OVER ITS SPRAWLING LOCATION THIS AFTERNOON. IT’S BEEN THERE FOR ...

Blue Diamond Growers reported just a slight gain in its annual almond sales while touting new efforts to reach consumers, including selling mixed nuts for the first time. The Sacramento-based ...

Another blue diamond has hit the auction block, but this particular rock has far more to show off than its $31.8 million price tag. Dubbed the De Beers Millennium Jewel 4, the stone is what diamond ...