Custom made Panthere de Cartier earrings 18k yellow gold with diamonds,emeralds, onyx About Panthere de Cartier Collection The panther, the symbolic animal of Cartier jewelry, made its first appearance in the Maison’s collections in 1914. Louis Cartier was the first to tame the mythic animal, and his colleague Jeanne Toussaint turned it into a legend. The panther can be fierce, …