Kristin Vining PhotographyThe couple exchanged gifts the day of the wedding. For her: an aquamarine and diamond white gold necklace. For him: “The Deep Sea Dweller Rolex I saved up all year to get him!” says Grace.When Sean May, twenty-six, caught sight of his wife-to-be for the first time, the NBA star (and former Tar Heel) suddenly became shy and...