Small play-of-color flashes of orange and green predominate in a pinfire pattern ... Even if cracked opals don’t break right away, they have little durability in jewelry, and the fractures spoil the ...

Color, color, color! Word on the street is colored stones are becoming increasingly important to serious collectors and the high jewelry houses in Paris certainly delivered this season.

The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text.

At one point, Mahmoud holds Peter at gunpoint and has him drive a bomb-filled van across a bridge. As he passes through a toll booth and the toll booth worker holds up a "skin color chart" to Peter's ...

At close: November 8 at 3:00 PM EST ...

Have you ever had to deal with a "dotted line" organizational chart strategy (reporting indirectly ... Make sure employees have clarity around each role and responsibility. A lack of role clarity ...

In fact it appears per a technical chart the price of the commodity found a fairly steady range between 65.000 to 75.000 USD from 2018 into 2019. Yes, in 2020 there was coronavirus and the price ...

At close: November 5 at 1:08 PM EST ...

The data displayed for this chart goes back to 1997, however we hope to be able to offer deeper historic information at a future point ...

The data displayed for this chart goes back to 1997, however we hope to be able to offer deeper historic information at a future point ...

Ranked by trading volume in the last 24 hours.