This Tiffany style engagement ring features 6-prong head setting and knife-edge rounded comfort-fit shank.

Metal weight for finger sizes: 17.33 D (7US) - Silver 925(Sterling)= 2.24Gr, White Gold 14KW= 2.72 Gr 18KW= 3.16Gr, Pt950=4.34GrStone: Diamond Round 6.40 mm D -1.00 Ct

The STL files of this model ring are available for download in finger US sizes:6.5, 7, 7.25 7.5

If you require other specific stone sizes for this ring, you can contact with me via private message for special customization.STL mesh files checked with Rhino5 and Autodesk Netfabb software. STL files has a good closed mesh and orientable surfaces, which will allow you to get very good 3D printing result and surface quality.