Chidliak kimberlite produces large diamonds

Peregrine Diamonds Ltd. Jan. 12 reported that an 814-metric-ton bulk sample from the CH-7 kimberlite pipe at the Chidliak diamond project in Nunavut returned an overall grade of 0.88 carats of diamonds per metric ton.

A total of 717.65 carats of commercial-size diamonds were recovered, including 53 diamonds larger than one carat and 183 diamonds over a half carat in size.

The largest gem quality d...