Diamond, Emerald, Onyx, White Gold Ring, Cartier, French The Lakarda Double Panthère ring features full-cut diamonds weighing a total of approximately 8.00 carats, enhanced by carved black onyx and emerald accents, set in 18k white gold, marked Cartier 877604, having French hallmarks. Gross weight 23.80 grams. Size: 6-1/2 (not sizeable) Strong, sexy, trailblazing women have been captivated by the timeless allure of the Panther since 1926. These powerful feline jewels have enjoyed many revisions and have become iconic for the House of Cartier. The double Panthère de Cartier ring offered here is rarely encountered. Designed so that the beauty and grace of the panther's features can be viewed at every angle. HID03101062020 © 2020 Heritage Auctions | All Rights Reserved