Let’s get started on our diamond estimating lesson! Today I’ll teach you about THE FOUR C’s that you need to be familiar with when buying or selling a diamond.
COLOR
• With the naked eye, most diamonds appear colorless, but they do have subtle shades of colors. Experts use the letter D (colorless) moving through all the letters all the way to Z (light yellow) in identifying them.
• A colorless diamond is chemically pure and structurally perfect. It lets through most of the light (perfectly transparent) and produces the most amount of brilliance.
• Most natural diamonds are imperfect, and colorless diamonds are very rare. The price increases as the color classification moves up the scale toward D.
• The diamond color is produced by chemical impurities or structural defects in the stone’s crystal pattern. It causes a yellowish to brownish tint.
CUT
• This is the most important of all the four Cs in assessing the stone’s beauty. Cut refers to the precise proportion and dimensions of a finished diamond. This is not to be confused with the stone’s shape (round, princess, marquise, pear, baguette, etc).
• A diamond that had been cut properly allows light to enter and refract it, creating what is called brilliance. Cut too shallow or too deep, a stone will not properly refract the light and will look dull and lifeless.
• A well-cut stone looks like it has greater carat weight, has more clarity and color. All in all, it appears to be of better grade than it actually is.
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