4Cs of Diamond Quality

Diamonds are one of the most popular, valuable and timeless minerals available in the world. Forged from the depths of volcanic activity as the Earth itself was formed, these spectacular baubles make a beautiful gift or accessory for any occasion. From proposals to the crowns of kings and queens, loose diamonds are one of the most sought after jewels in existence. At Royal Design Fine Jewelry, we provide the highest quality gemstones and precious metals to the men and women of the metro Atlanta, Georgia area. We want our local clients to have access to the world’s best rings, earrings, necklaces, bracelets and luxury watches. Over the years, we have helped countless customers find the perfect diamond treasures, and we want to help you do the same. Knowing the 4 C’s can help ensure that you will always be aware of the quality of diamond you are purchasing, so you can get the best value from your fine jewelry investments. 


Many people assume that the cut of a diamond is based solely on its shape. While diamond investors may have a personal preference of an Emerald or Asscher shaped stone over a Baguette, the term cut encompasses a lot of complex factors. The diamond’s cut determines the way light moves through the stone. Simple cuts often have minimal reflection, and the light sinks into the gemstone. The result is a loss in brilliance. A more complex cut can direct the light, to create a more effective light display and is therefore more valuable. Cut is determined by many characteristics including the total depth of the diamond, the pavilion and crown angle, the girdle thickness, star length, table size and culet of the stone. A professionally trained jeweler can accurately assess the value of a cut diamond through years of experience and the use of precise equipment. 


Diamonds are naturally occurring stones, and during the formation process they are exposed to many different conditions. As with any stone, they will have some form of internal blemishes, known as “inclusions”. The fewer inclusions, the more pure and reflective the diamond will be. Flawless stones are at the highest end of the clarity scale, and i3 diamonds have the most inclusions. Though most inclusions can’t be seen with the naked eye, jewelers and gemstone experts can accurately determine the clarity of a diamond with the use of specialized equipment, and the value of your diamonds in the marketplace can be reduced if multiple inclusions are present.


The color grading scale used to evaluate diamond quality begins with D and ends with Z. Diamonds that are categorized with D, E or F are considered colorless. These gemstones are very rare and are of the highest value. The closer the stone approaches Z, the more yellow the hue will become. Most diamonds will fall in the near colorless category, between letters G and J on the scale. If the diamond falls below this K, then the value of the jewelry may begin to diminish. 

Keep in mind that this does not apply to fancy diamonds that are truly of a different color due to variations in mineral content of the stone. Pink, yellow and blue diamonds each have their own color scale, and certain rare fancy diamonds can be extremely valuable. 


The carat is a measurement of weight. One carat is equivalent to 200 milligrams or 1/5 of a gram. The more the diamond weights, the more valuable it will be. However, it’s important to keep in mind the other C’s discussed above. A one carat flawless, colorless round brilliant cut diamond will be much more valuable than a Z color, emerald cut, inclusion rich two carat stone. 

Looking for Diamonds in Atlanta, Georgia? Visit Royal Design Fine Jewelry Today 

Are you searching for the perfect engagement ring, anniversary present or luxury watch? Then visit Royal Design Fine Jewelry in Atlanta, Georgia. Our jewelry experts are available to help you find the diamonds of your dreams. 

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