Diamond Project, page-21

The Ellendale mine that's the source location of our T5 diamonds sold for $300million in 2006. In these untested T5 traps could be grades far higher than seen on the field before. There is potentially 90 meters of vertical erosion concentrated in those traps, if sampling buy poz delivers it's not hard to imagine what this company could be worth as it evolves into being potentially the worlds primary source of yellow diamonds.
Grade will be key to economics and success.