Real diamonds have so many intricacies in their infrastructure that it is impossible for light to pass all the way through them without being first refracted. And we re not talking her grandmother's antique ring that she only wears on special occasions. It is helpful, but not necessary, if you can somehow find out her ring size.
Diamond Certificate
Explanation of Cut, Color and Clarity of This Diamond
Cut Quality Diamonds of fair cut quality are still quite attractive, but they may not be as brilliant as the top 3 grades. Fair cut diamonds are proportioned to yield more carat weight from the diamond rough. Such diamonds may be attractive to budget-conscious customers.
Color Diamonds of I color are right in the middle of near colorless category. Experienced eye should be able to notice the presence of color. When mounted, I color diamonds will appear colorless to the most people representing great balance between price and perfection.
Clarity SI1 clarity diamonds are slightly included. SI1 diamonds have some inclusions visible under 10x magnification but not easily visible to the naked eye. A diamond with this grade of clarity is an excellent choice for someone on a limited budget.