High quality STL 3D model I have a huge experience in jewelry undustry so i can garantee it's perfectly designed to be printed. Model is ready for prototyping on CNC and 3D Printing. Ring size 18.5 mm diameter. I can provide 1 additional size for free Stones: 1 marquise - 7x3.5mm rounds: 8 - 2.5 mm 14 - 2 mm 24 - 1.75 mm 4 - 1.5 mm 2 - 1 mm Metal Weight: Gold 14k - 7.57g Silver - 5.6g