See the images uploadedDiamond size and carat weight: you can check the diamond table attached in the pictureOccasion: Engagement, wedding, Anniversary, Birthday, Christmas, or you can wear every day.File format: You can check the available format in the “3D Model formats” just on the right side of this description.Browser by Category, Women Rings, Men’s Ring, Earring Studs, Bracelets, Bangles, Necklaces Sets, Single Pendants, and Sets,We are providing 3D Jewelry, Rendering, and Modeling services. We do our best designing skills on your ideal customized jewelry modelAll the files are created in Rhino 5 & 7 and Gem vision Matrix 8; 9; Matrix Gold available (Ready to Print) Stereolithography (.STL) and 3D Models (.3dm) (editable) here. All dimensions are in the millimeter (mm) unit!