To boldly goMark Kolebaba explains to Gay Sutton how Diamonds North is doing things differently, not so much to lead the field, but to accelerate the diamond exploration process and stay ahead of the competition. The cold Northwest Territories of Canada are inhospitable, dark and icy for several months of the year, and yet they are potentially rich in quality diamonds that rank among the best in the world. The mines already operating there can yield gems priced at anything from $150 to $300 per carat, whereas diamonds from South Africa, for example, w