This is an engagement ring the will fit a round stone from 4.9 to 5.4 mm round. It is presently a sze 7 but we can custom make in any size you want just email us and lets talk. You can email me at IJewelCad at outlook.com or check us out at www IJewelCad com We can custom design anything your looking for. ====================== no stones come with this order on Shapeways only a semi finished mount to set your stone. You will require a jeweller to set your stone into this mount.