Diamonds, it’s been said, are forever. That’s far too long for Pandora A/S, which is counting on women to update their jewelry boxes several times a year with charms crafted from silver, gold, and gemstones.
The Danish jeweler, which has gone from stock market darling to disaster to darling again since its 2010 initial public offering, is taking a page from fast-fashion retailers like Zara, which introduces designs as often as twice a week.
