Alrosa launches synthetics diamonds detector

Gold was off 14.6% and diamonds were down 19.7%

Largest diamond found in the Crater of Diamonds State Park so far this year.

Rockwell Diamonds (RDI-T) has seen some improvements in its first quarter of fiscal 2014 after refocusing on its Middle Orange River diamond projects.

Strike called off.

Mountain Province Diamonds calculates an indicated resource increase of 12% on its Gahcho Kue mine in Canada's Northwest Territories.

Most obvious measures include abandoning non-essential exploration work, postponing hires and focusing on core-business operations.

Rio Tinto has announced that rough diamonds from its Diavik mine in Canada will, for the first time, be available for viewing in Israel.

Barrick Gold had the most dizzying drop.

The company says it is working to remedy the situation.