11mm Sterling Silver BLUE Simulated SAPPHIRE MARQUIS OVAL CELTIC KNOT Ring 5-9 METAL: .925 STERLING SIVLER STYLE:BLUE SAPPHIRE MARQUIS OVAL SEPTEMBER Birthstone CELTIC KNOT FIT: VERY COMFORTABLE FACE WIDTH: 11MM (1.50CTW) / BAND WIDTH: 2MM A MUST HAVE FOR ANY SCOTTISH CELTIC COLLECTON!