This collection of rings is ready for 3D printing.Ring sizes 16 16.5 17 17.5 18 18.5 19 mm. Approximate weight of rings by size(GOLD 14K): 16mm-5.94g 16.5mm-6.16g 17mm-6.43g 17.5mm-6.51g 18mm-6.76g 18.5mm-6.81g 19mm-6.99g.Width: 5.6mm Round stones: 1.3mm and 2.7mm. I can make to order with your parameters.