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The shape refers to the actual outline of the diamond. Diamond shapes include Round, Princess, Emerald, Asscher, Marquise, Oval, Radiant, Pear, Heart, and Cushion.
Cut grade refers not to the shape (round, princess, etc), but to the proportions and the finish of a polished diamond that is evaluated by trained graders.
It is the most important factor in determining the value of the diamond and how much it will sparkle. For instance, if a diamond is cut poorly, it will be less luminous. The better a diamond’s cut is, the more light will reflect on the diamond, and the better it will shine. Learn More
This refers to the measurement of a diamond’s actual weight on a scale. Usually the higher the carat weight, the larger the diamond would be, although the cut of a diamond also has an impact on its size.
Carat weight, combined with a diamonds Color, Clarity, and Cut Grade, determine the diamonds value. Learn More
A diamond's color is simply the body color of the diamond. The color gradient scale ranges from a D, or absolutely colorless, to Z which is a very distinct yellow. Fancy color diamonds go beyond Z.
With the exception of some natural fancy colors, such as blue, pink, purple, or red, the colorless grade is the most rare, and extremely expensive and valuable.
Thus, the closer a diamond is to colorless, the more valuable it is, except for fancy colored diamonds. Learn More
The clarity refers to the diamond's tiny markings, or imperfections. All diamonds have some natural markings on them, but depending on the size, type, position, number, and location of the markings, those markings may impact the beauty and the brilliance of the diamond.
A diamond with less microscopic markings is rarer and therefore, more expensive than a diamond with more markings. Learn More
This refers to the large flat facet on the top a diamond. If the table facet (the polished flat surface on a diamond) is too large or too small, it will often indicate poor proportions overall, which will affect a diamond's brilliance.
The table percentage is derived by dividing the width of the table by the diameter of the gemstone.
This refers to the height of a diamond or gemstone (measured from the culet at the very bottom to the large table facet on the top divided by the width of the diamond or gemstone).
A bluish glow that originates from certain diamonds when exposed to high ultraviolet lighting conditions.
Most experts indicate that a diamonds florescence does not affect its appearance, however, the market prices them differently.
Therefore, diamonds with strong fluorescence are of better value, because they are less expensive than those with faint or negligible fluorescence.