This collection of rings is ready for 3D printing.Ring sizes 51 52 53 54 55 56 57 58 59 60 61.Approximate weight of rings by size(GOLD 14K): 51- 4.46g 52-4.54g 53-4.62g 54-4.71g 55-4.79g 56-4.87g 57-4.94g 58-5.03g 59-5.11g 60-5.2g 61-5.28g. Width: 4mm. Thickness: 1.6 mm. Round stones: 4.3mm.