Diamond Education
The 4 C'sDiamond Anatomy & Cut Quality
Each diamond is unique and is a miracle of time, place and change. And each has specific qualities that establish its value.
Understanding the 4 C’s of Diamonds Shopping
Until the middle of the twentieth century, there was no agreed-upon standard by which diamonds could be judged. GIA created the first, and now globally accepted standard for describing diamonds: Color, Clarity, Cut and Carat Weight. Today, the 4Cs of Diamond Quality is the universal method for assessing the quality of any diamond, anywhere in the world. The creation of the Diamond 4Cs meant two very important things: diamond quality could be communicated in a universal language, and diamond customers could now know exactly what they were about to purchase.
Clarity
Diamond Clarity Refers to the Absence of Inclusions and Blemishes. Natural diamonds are the result of carbon exposed to tremendous heat and pressure deep in the earth. This process can result in a variety of internal characteristics called ‘inclusions’ and external characteristics called ‘blemishes.’
Evaluating diamond clarity involves determining the number, size, relief, nature, and position of these characteristics, as well as how these affect the overall appearance of the stone. While no diamond is perfectly pure, the closer it comes, the higher its value.
Diamond Clarity Descriptions
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Cut
A Diamond’s Cut Unleashes Its Light. Diamonds are renowned for their ability to transmit light and sparkle so intensely. We often think of a diamond’s cut as shape (round, heart, oval, marquise, pear), but a diamond’s cut grade is really about how well a diamond’s facets interact with light.
Precise artistry and workmanship are required to fashion a stone so its proportions, symmetry and polish deliver the magnificent return of light only possible in a diamond.
Diamond Clarity Descriptions
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Donec rutrum congue leo eget malesuada. Vivamus suscipit tortor eget felis porttitor volutpat. Curabitur aliquet quam id dui posuere blandit.
Sed porttitor lectus nibh. Nulla porttitor accumsan tincidunt. Quisque velit nisi, pretium ut lacinia in, elementum id enim.
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Color
Diamond Color Actually Means Lack of Color. The diamond color evaluation of most gem-quality diamonds is based on the absence of color. A chemically pure and structurally perfect diamond has no hue, like a drop of pure water, and consequently, a higher value. Many of these diamond color distinctions are so subtle that they are invisible to the untrained eye; however, these distinctions make a very big difference in diamond quality and price.
Diamond Color Descriptions
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Donec rutrum congue leo eget malesuada. Vivamus suscipit tortor eget felis porttitor volutpat. Curabitur aliquet quam id dui posuere blandit.
Sed porttitor lectus nibh. Nulla porttitor accumsan tincidunt. Quisque velit nisi, pretium ut lacinia in, elementum id enim.
Nulla quis lorem ut libero malesuada feugiat. Nulla quis lorem ut libero malesuada feugiat. Quisque velit nisi, pretium ut lacinia in, elementum id enim.
Carat (Size)
Diamond Carat Weight Measures a Diamond’s Apparent Size. Diamond carat weight is the measurement of how much a diamond weighs. A metric “carat” is defined as 200 milligrams.
Each carat can be subdivided into 100 ‘points.’ This allows very precise measurements to the hundredth decimal place. A jeweller may describe the weight of a diamond below one carat by its ‘points’ alone. For instance, the jeweller may refer to a diamond that weighs 0.25 carats as a ‘twenty-five pointer.’ Diamond weights greater than one carat are expressed in carats and decimals. A 1.08 carat stone would be described as ‘one point oh eight carats.’
Source : https://4cs.gia.edu
Diamond Sizing Descriptions
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Donec rutrum congue leo eget malesuada. Vivamus suscipit tortor eget felis porttitor volutpat. Curabitur aliquet quam id dui posuere blandit.
Sed porttitor lectus nibh. Nulla porttitor accumsan tincidunt. Quisque velit nisi, pretium ut lacinia in, elementum id enim.
Nulla quis lorem ut libero malesuada feugiat. Nulla quis lorem ut libero malesuada feugiat. Quisque velit nisi, pretium ut lacinia in, elementum id enim.