Cartier 1999 1.00ct Citrine & Solid 18K Yellow Gold Tank Ring - This lovely vintage ring was made by Cartier, and was finely crafted of solid 18k yellow gold. The ring has a 5.5mm wide band, and is finished with a 1.00ct (approximate) tension set domed square-cut citrine. The ring has a highly polished finish, and is in beautiful condition. The ring has a tapered, half-round shank and the band measures approx. 5.8mm wide (at the widest point). The piece bares the designer hallmark, serial number and metal content on the inside of the band, along with the ring size "47". The inside of the band is also dated "1999". Approx. U.S. ring size: 4.25 (WEIGHT: 7.8 grams)