A beautiful Cartier 18k Yellow Gold Black Jasper Panthère de Cartier High Jewellery Ring. The invincible panther is the foundation of Cartier style. Tense muscles, open jaw, ears at attention and a sculpted profile – even more than its anatomy, the jewellery captures the feline’s very attitude. Metal: 18k Yellow Gold (Weight is about 11g, the ring weight is about …