diamond engagement ring.ring size 7 US - 17.33 mmdiamond size 6.5 mmweight 14k - 2.72 gr. 18k - 3.25g.You can resize the ring in metallic wax or with a 3D editor.If you can't change the size, please contact me for help.Information about the weight and diameter of the diamond is shown in the image.link to the video of this ring - https://www.youtube.com/watch?v=pondWCJQMmoThe ring is fully secured and ready for 3D printing.The file for 3D printing comes with the original format for editing 3dm and a 360 videoYou can use my images for your social network or virtual store even before purchasing my file.