You may also hear a diamonds weight referred to as grains which stems from another ancient form of measurement. The crowns, tiaras and waist belts worn by the kings and rich people are jewelry that's hardly used these days except for ceremonial purposes. Designing of jewelry is a big business now and millions of people are employed in this industry all over the world.
Explanation of Cut, Color and Clarity of This Diamond
Cut Quality Cut quality is calculated based on simplified formulas that take into account diamond proportions, depth and table. If some of this information is not available we are unable to estimate the quality of the diamond's cut.
Color Diamonds of F color are very close to colorless. Very small percentage of natural diamonds fall into this category. Even a trained professional will not be able to detect presence of color without instrumentation.
Clarity Inclusions and external blemishes in diamonds of SI1 clarity may be easy to spot under 10X power magnification. Location of the inclusions greatly affect their visibility to the naked eye. SI1 diamonds of good color produce as good of a sparkle as the more expansive VS graded stones of lower color. Excellent bargains may be fond in this category.