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by Will Purcell

The diamond and specialty minerals stocks box score on Friday was a horrid 49-145-116 as the TSX Venture Exchange crashed 41 points to 965. One might think that Paul Zimnisky, a New York-based diamond analyst who has become the go-to guru on matters gemological, has gone on vacation. His global rough diamond price index just spent another week drifting sideways, unchanged by either current prices or the late-to-arrive data that often prompt a revision to recent weekly settings. But, no, Mr. Zimnisky is still on the job -- it is just that supply and demand have found some short-term equilibrium.

And so, this week's setting sits at the same 124.7 points as it has for the preceding two weeks, worryingly leaving the chart about two points below the horizontal dashed line that Mr. Zimnisky uses to highlight the recent period of price stagnation. Indeed, he recently extended the left side of that line such that it is about one emphatic dash away from covering the full one-year chart.

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