Hello, I bring to your attention a 3D model of a Engagement ring, gem 4.2 mm . If you have additional questions, write. Enjoy the shopping!
See pictures for all sizes. The model is ready for CNC machine and printing on a 3D printer.
Total weight - 192.925416 (+/- 9.8e-06) cubic millimeters. Approximate weight in gold 14K - 2.5 g.