Delicate Halo Artdeco Engagement ring with 0.75 ct centr stone printable 3dmodel Gems: 5.85mm round- 1 , 1.8mm-4 , 1.4mm -24 Weight: 3.67gr 14K Finger size: 7 USA size File format: STL and 3dm STL files without any supports (because each printer needed special supports )