Transparent diamonds are perhaps the most desirable because they reflect the best light and make it spoil in the pageant of color highlights. When jewelry’s talk about the color of the diamonds they usually mean the presence or absence in the white diamond jewelry. Color is the result of the composition of stone, and it remains unchanged over the years. Colorless diamond allows more light to pass through it from there comes its breathtaking brilliance. Process of formation of diamond allows only certain stones are colorless and truly makes them so expensive. But this rule has exceptions, and it applies to specific colored diamonds jewelry that are valuable precisely because of its color.Diamonds rated from D to F are the most expensive.