Size: US: 5.75 / EU: 51 / JP: 10.5 Item details Item number 291604 Brand name: Tiffany & Co. Item name: Tiffany & Co. Ring Stacking Band Square Cut Ruby 18K Yellow Gold No. 10.5 Material 18KYellow Gold (Stamp 750) Stone used Square cut ruby Size 10.5 Size: Ring width 3.8 mm (0.15 in) Motif Size Width 8.7 mm (0.34 in) x Height 6.3 mm (0.25 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.