Alliance 18-karat gold bracelet Maison Margiela Fine Jewelry, Maison Martin Margiela's 'Heritage' collection is split into four themes that reinterpret the traditional symbols of family heirloom jewelry. This 'Alliance' bracelet is cast from polished 18-karat gold and entwines elegantly around your wrist. We think it's perfect for everyday Size: M. Gender: Female. Age Group: Adult.