Cartier Tank 18 kt Weißgold quadratischer Aquamarin Bandring Gr. 54 (6,75+) B9031
Made in 18 kt White Gold. Square Cabochon Top Aquamarine Solitaire Band Ring Size 54 (6 3/4+). Features a square, cabochon top aquamarine that weighs about 1.0 ct. Latter Quarter 20th Century. Width: About 4.1 mm - 5.9 mm (back to front).