The table above shows some pretty impressive gains for jewelry stocks — Tiffany has more than tripled its 52-week low, and De Beers has more than doubled its. But, except for De Beers, there is not much good news for diamond mining stocks. According to the Montreal Gazette, many Canadian mining companies are having difficulties and investors are focussing their attention on the more immediate gains in the high-tech sector. Even the stock of Aber Resources, which has a likely mine in Diavik, has been hurt because of investor impatience with delays (see front page). And other diamond mining companies have found their investors fleeing because of nervousness over political strife in Africa.