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