Size: US: 5.75 / EU: 51 / JP: 10.5 Item details Item number 291648 Brand name: Cartier Item name: Cartier Ring Trinity Three Color- 18K Yellow Gold 18K Pink Gold 18K White Gold 10.5 #51 Material 18KYellow Gold (engraved 750) 18KPink Gold (engraved 750) 18KWhite Gold (engraved 750) Stone used Size 10.5 Size: #51 Ring width 1 piece 3.4 mm (0.13 in) Ring width 3 3.9 9.6 mm (0.38 in) some errors. Accessories 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.