1. GemstonesBetween the JCK Tucson show, the American Gem Trade Association GemFair, and the Gem & Jewelry Exchange (aka The Tent), Tucson Gem Week’s biggest attractions drew droves of buyers to the Arizona desert—a logjam of people stopped the escalators on AGTA’s opening day. Opal continued its reign as the queen of gems, and unusual stones such as rhodochrosite and zoisite are gaining traction. But the biggest story out of Tucson is the continuing surge in prices for fine material. At Sutra’s booth at AGTA, owner Divyanshu Navlakha was unapologetic about his selection of dangly diamond earrings. Color, he says, “is becoming so expensive.”2. AdsTiffany & Co.’s latest ads show the retailer is thinking outside the blue box. The print campaign features seven couples—including two men (a real-life married couple, snapped on a West Village stoop). Tiffany’s first-e