Ring with pear stones-size 18mm...Stones -pear 8 pieces-4-3mm,1round-4mm..Weight-silver-2,99 gr..gold 14k-4gr..gold18k-4,45gr... You can see the dimensions and weight in the last photo.All stl files was fixed in materialise magics and ready to print on 3d printer or cnc wax milling . Please contact me if you have questions or need assistance with the models. If you need another size - contact me. Designed for 3d Printing. THIS MODEL CORESPOND TO ALL JEWELLERY MANUFACTURE REQUIREMENTS !!!