Buying diamond jewelry is confusing. It isn’t easy to tell good stones from bad - that is, without special training and a jewelers’ loupe. Gemologists use a diamond ranking system. By understanding this system, and what the letters mean, you can choose the perfect diamond. Read on to learn about the “4 Cs” — color, cut, clarity, and carat weight.
Color
Completely colorless diamonds are the most valuable, and the rarest. Most “clear” stones contain small amounts of color. A one-letter designation classifies diamonds according to the amount of color, if any, they contain. The highest rating for colorlessness is D, with E and F close behind. These colorless stones are very rare. The scale continues past near-colorless (G-J), faint yellow (K-M), very light yellow (N-R), and to light yellow (V-X). Diamonds graded from G to I have virtually no color visible to the untrained eye. Color choice may be more important when placing the stone in a sterling silver, white gold, or platinum setting, where a diamond’s yellow tint would be more noticeable.
Cut
Cut does not refer to the overall shape of the stone (as seen in round or pear-shaped gems). Rather, cut refers to the reflective quality of the diamond. A […]

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