Total Weight: 3.40 grams Ring Size: 6.5 Diamond Color: F Clarity: VS1 Cut: Emerald Dimensions: 10.67 x 7.53 x 5.02mm Diamond Total Carat Weight: 4.05 ct Polish: Excellent Symmetry: Excellent IGI Report Certificate and Sleeve Included A lab grown diamond is produced in a controlled laboratory setting rather than mined from the earth. Like a natural diamond, it is made of pure carbon arranged in a crystal lattice structure. This structure is what gives diamonds their exceptional hardness, brilliance, and fire. Lab grown diamonds begin as tiny carbon seeds from pre-existing diamonds. There are two primary methods used to create them: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD). Both methods recreate conditions that allow carbon atoms to form into diamond crystal. After several days or weeks, a rough diamond is created, then cut, polished, graded, and set in jewelry just like a natural diamond. In Summary: Lab grown diamonds have the same composition, structure, and properties as natural diamonds. The only meaningful distinction is how and where they are made.