{"id":43191,"date":"2024-05-14T11:30:52","date_gmt":"2024-05-14T09:30:52","guid":{"rendered":"https:\/\/www.jw24.com\/diamonds-everything-about-carats\/"},"modified":"2024-05-14T11:30:52","modified_gmt":"2024-05-14T09:30:52","slug":"diamonds-everything-about-carats","status":"publish","type":"post","link":"https:\/\/www.jw24.com\/en\/diamonds-everything-about-carats\/","title":{"rendered":"Diamonds: Everything about Carats"},"content":{"rendered":"

You may have also experienced entering a jewelry store or a jewelry e-commerce site, like JW24, and reading the carat weight of a diamond. You will have certainly understood that it is the unit of measurement used to weigh this sensational precious stone. However, the concept of carat goes well beyond the simple weight of the diamond. <\/p>\n

What does carat mean, first of all? The word “carat” has its origins in the Arabic “q\u012br\u0101\u1e6d<\/strong>“, which means “twenty-fourth part”, derived in turn from the Greek “ker\u00e1tion”, which refers to a “carob siliqua”. In the past, in fact, it was believed that carob seeds had a constant mass, which is why they were used to precisely measure the weight of precious substances. <\/p>\n

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What Do Carats Indicate in a Diamond?<\/h2>\n

There is a common misunderstanding regarding the concept of carat when talking about precious stones, especially diamonds. Many people erroneously associate the term carat with the physical size of the gem rather than its mass. It is important to clarify that carat refers to the weight of the stone<\/strong>, not its external dimensions<\/strong> (which are instead expressed in mm). One carat corresponds exactly to 0.20 grams.
\nThe weight of precious stones can also be expressed in “points”.<\/strong> The “point” indicates 1\/100 of a carat. For example, a 0.20-carat diamond can also be defined as “20 points”. <\/p>\n

In addition to weight, in jewelry the diameter of the gem is also measured: each diameter corresponds to an approximate carat weight<\/strong>. Should significant differences emerge between the expected weight for a given diameter and the actual weight, the diamond could be inauthentic or characterized by an imprecise cut. <\/p>\n

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It is worth emphasizing the extreme precision with which diamonds are evaluated. Even fractions of a carat, such as a thousandth of a carat, are carefully considered in the evaluation of gems. For example, prestigious jewelry houses like Tiffany have implemented highly detailed measurement standards, which allow the evaluation of diamonds down to 1\/1000 of a carat<\/g>. This level of precision is essential to ensure accurate evaluation of precious stones, ensuring that their value is determined appropriately. <\/p>\n

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Do Carats Reveal the Cost of a Stone?<\/h2>\n

The cost of diamonds is not simple and immediate to determine<\/strong> as in the case of food. When we go to the supermarket, fruits, vegetables, meat, cheese are priced based on their weight, regardless of the shape or quality of the food. For diamonds, the same does not apply. <\/p>\n

If a diamond weighs a lot, it is not necessarily more expensive than a stone of smaller dimensions. Numerous factors influence the external appearance of a diamond, including color, depth, shape, and cut quality<\/strong>. In this regard, it is essential to understand that two diamonds of the same carat weight can appear notably different, depending on how they have been cut and worked. <\/p>\n

It is possible to observe notable variations in diamond prices with the same carat weight, since differences in the intrinsic characteristics of the gem influence its market value.<\/p>\n

Diamond shapes, which can vary from the classic round brilliant to the sophisticated emerald cut, have different impacts on the appearance of the carat. It is crucial to note that a diamond can present a higher carat weight without this necessarily being reflected in a visible increase in size. <\/p>\n

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Are Lab-Grown Diamonds Measured in Carats?<\/h2>\n

One of the most significant innovations in the diamond industry has been the introduction of lab-grown diamonds<\/a>. These gems, while being identical to natural diamonds in their chemical composition and physical properties, are artificially created in laboratories. <\/p>\n

There are many doubts regarding the preciousness and price differences of a lab-grown diamond compared to a diamond extracted in nature. Synthetic diamonds, while being produced in laboratories, follow the same evaluation standards used for natural diamonds. Therefore, they are evaluated according to the classic Four Cs:<\/strong> color, cut, clarity, and carat weight<\/strong><\/a>. <\/p>\n

Regarding color, synthetic diamonds can present a wide range of shades, which are evaluated using the same classification scale used for natural diamonds, from the colorless category to the fancy colored category. Gemological laboratories use specific instruments and techniques to precisely determine the color of synthetic diamonds. <\/p>\n

Diamond cutters use the same tools and processes to cut synthetic and natural diamonds, seeking to maximize the fire, brilliance, and scintillation of the stone. Synthetic diamonds can be cut in a variety of shapes, including round cut and fancy cuts such as emerald cut or cushion cut. <\/p>\n

The clarity of synthetic diamonds is also evaluated according to the same criteria used for natural diamonds. Inclusions and imperfections present in synthetic diamonds are examined through 10X magnification and classified based on the GIA clarity scale, which ranges from Flawless grade to Included grade. <\/p>\n

Finally, synthetic diamonds are measured in carats, following the same unit of measurement used for natural diamonds.<\/strong> They can reach significant sizes, up to several carats, and are evaluated based on their weight.<\/p>\n

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Price Differences per Carat between Natural Diamond and Lab-Grown Diamond<\/h2>\n

Currently, the average price per carat of a natural diamond varies from approximately $1,000 to $20,000 or more, depending on the diamond’s characteristics, such as cut, color, clarity, and carat weight. On the other hand, lab-grown synthetic diamonds have an average price per carat of approximately $300 to $3,000<\/strong>, with some particularly large or high-quality diamonds that can exceed this range. <\/p>\n

The reasons for these price differences are various:<\/p>\n