updated US size 5 has been added to your request.This ring is provided to you for free.Please support us with your good comments and likes.David Yurman twisted gold ring, European size 54 and its size can be changed.This model is fully tested and built.If changes are needed, it will be added to your desired size as soon as possible without cost.Dimensions, size and weight of gold and diamonds are clear in the photo.This model is ready to print, you can order any design like this or very complex designs, any changes are made for free.Our goal is to provide high quality models and useful plugins to save you time.I have been working in the field of making and designing gold and jewelry for about 22 years.The works designed by me are without problems and all the works have been tested in terms of quality. You can safely complete your purchase and enjoy your jewelry.If you need to make changes. Let me know as soon as possible. Your changes will be made.