Item details Item number 290090 Brand name: Cartier Item name: Cartier Ring Tank Francaise LM 18K White Gold No. 21 #61 Material 18KWhite Gold (Stamp 750) Stone used Size 21 (21 JP / US 11) Size: #61 Ring width 12.0 mm (0.47 in) some errors. Accessories Our store original BOX The items listed in the Accessories column and shown in the photos are all of the Accessories Also, since the Accessories are used, some scratches and dirt. • Ring size listed will usually be international sizing, not US, unless otherwise stated. You accept this description upon purchase. Please use the Ring Size Chart.