This collection of rings is ready for 3D printing.Ring sizes 15.5 16 16.5 17 17.5 18 18.5 19 mm. Approximate weight of rings by size(GOLD 14K): 15.5mm-3.39g 16mm-3.49g 16.5mm-3.59g 17mm-3.69g 17.5mm-3.78g 18mm-3.88g 18.5mm-3.97g 19mm-4.06g. Width: 4.8mm. I will make to order with your parameters. Round stones: 1mm.