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Diamond Guide and Education

Welcome to the CaratX Diamond Guide! Let's start with the basics! The first thing to learn about, and wrap your head around is: The 4 C's

Carat: The word "carat" has a unique origin and is the weight of the diamond. In fact the origins of the word carat can be traced in multiple languages. In Arabic it is derived from the root word: qirat, which means "fruit of the carob tree," also "weight of 4 grains." It also has ancient Greek and Italian roots! When deciding on a diamond the carat weight is important. It's also important to note the difference between "carat" and "total carat weight". "Carat" is used to measure a single stone, while "total carat weight" or " CTW" measures multiple stones in one setting. You can always determine the main stone weight by looking on your certificate for "center stone carat weight".

Cut: This is one of the first things to consider. The cut is not to be confused with the shape. The cut grading is a grading on the excellence and attractiveness of the diamond's proportions, angles, polish, finish, scintillation, fire and brilliance! These components determine how well a diamond presents itself, and are the primary aspects to its beauty, sparkle and overall shine!

Color: This determines the colorlessness or whiteness of the diamond. Diamond color grades from GIA (The Gemological Institute of America) range between D and Z. The most colorless stones being a D color, and the stones that have a yellow or yellowish brown tint would be a towards the Z end. Be sure to check your certificate or appraisal to determine the true diamond color. If in doubt, always consult a reputable gemologist. Clarity: This determines how clear or clean a diamond is to the naed eye as well as under a 10x microscope. Clarity is a measure of the inclusions in the diamond. Inclusions can be dirt, carbon spots, feathers, cracks and other things that obscure and diminish a diamond's sparkle. Darkness, size and location of the inclusions are also an important factor in deciding the right diamond for you. GIA grades clarity as follows:

  1. FL (Flawless)
  2. IF (Internally Flawless)
  3. VVS1 (Very, Very Slightly Included 1)
  4. VVS2 (Very, Very Slightly Included 2)
  5. VS1 (Very Slightly Included 1)
  6. VS2 (Very Slightly Included 2)
  7. SI1 (Slightly Included 1)
  8. SI2 (Slightly Included 2)
  9. I1 (Inclusions 1)
  10. I2 (Inclusions 2)

  • 1.5ct Idea To Reality
  • 1.0ct Idea To Reality
  • .75ct Idea To Reality
  • .50ct Idea To Reality
  • .33ct Idea To Reality
  • .25ct Idea To Reality
Diamond Guide and Education