North Arrow Minerals Inc. Feb. 28 reported the recovery of 64.25 carats of commercial sized (larger than 1 millimeter) diamonds from a 209.8-metric-ton mini-bulk sample collected from the Q1-4 kimberlite at the Naujaat project in Nunavut.

The three largest recovered diamonds from the sample are 5.25, 2.09 and 1.06 carats.

Yellow diamonds, representing a range of hues and tones, made up 10.7 pe...