When David Yurman introduced his Renaissance Cable Bracelet in 1983, he created an icon. Ever since, fans have snapped up the preternaturally elegant bracelets, beloved for their blend of ancient and modern elements. In honor of the signature style's 30th anniversary, the jewelry designer has crafted special-edition versions of the time-tested favorite, which run the gamut from colorful aluminum pieces to captivating micro-pavé renditions in white, black, or cognac diamonds. For the latter, Yurman and his son, Evan, tasked their master gem setter with encrusting every millimeter of the pieces with stones, using more than 28 carats of diamonds in each bracelet. In David Yurman's world, cable is more than just a motif—it's what ties together all his designs, past and future. "Cable is a perfect form," he says. "As…