A vintage Cartier garnet Tank ring in 18 karat white gold, circa 1997. This Iconic Cartier Tank ring by is designed as an 18 karat white gold half rounded band with a square shaped deep red hued garnet in a simple clean open tension setting. When viewed from the side this elegant ring has an almost structural profile. Signed 'Cartier' '1997' '750' with serial number Finger size: US finger size 6 1/2; UK size M We are able to increase or decrease the finger size accordingly for this ring. The rin