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This short video explains the GIA cut scale and how GIA classifies round brilliant cut diamonds with a cut grade ranging from Excellent to Poor by factoring in a range of parameters including the diamond’s proportions, culet size, girdle thickness, polish and symmetry descriptions.
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The GIA Cut Grading System applies to the most popular cutting style – the standard round brilliant – and all clarities across the D-to-Z color range. There are five cut grades: Excellent (EX), Very Good (VG), Good (G), Fair (F) and Poor (P). A diamond with an Excellent cut grade is very bright. It shows an even pattern with good contrast between l...
Words like “sparkle,” “fire,” “brightness” and “pattern” are used when talking about a finished diamond’s appearance. You might hear: “Isn’t it beautiful? See how much it sparkles. See how much life this stone has.” There are optical effects that make a beautiful diamond look the way it does; together, they give the diamond life and determine its v...
The whole is greater than the sum when it comes to a diamond’s proportions, which are the dimensions and angles of a polished diamond’s facets and how they relate to one another. There is no set “formula” or set of proportions that result in a perfectly cut diamond. All of the numbers you might have heard other people referring to – table size, cro...
Your eye sees those proportions working together – for better or worse – when you look at a diamond face-up. Dark areas in the center, under the table or around the girdle could mean that the shape of the rough forced some compromise. Conversely, bright, even patterns signify a cutter’s attention to detail and precision. The GIA system downgrades d...
In this guide, explore interactive charts that show how experts grade diamond cuts and understand the impact cut has on a diamond's sparkle, fire, and brilliance.
- Cut is considered to be the most important of all of the diamond characteristics, as a well-cut diamond will often appear larger than a poorly-cut...
- Super Ideal diamonds are cut to the most exact standards and achieve the most sparkle because they are proportioned to return the maximum possible...
- Looking at cut alone, Super Ideal diamonds are likely the most expensive, but the price of a diamond is based on other diamond characteristics as w...
- Diamond shape refers to a diamond’s physical form and is often one of the first attributes that couples consider when shopping for a diamond. Diamo...
There are three diamond cuts used to craft every diamond shape: brilliant cut, step cut and mixed cut. Brilliant Cut. The brilliant cut is the most popular facet arrangement. It is made of triangular and kite-shaped facets, all arranged to optimize brilliance, or light return.
- Diamond cut is determined by symmetry, proportion and polish. Diamond cutting is the process of turning a rough stone into a faceted one. More than...
- The round brilliant diamond, which has 57 to 58 facets, is the most brilliant of the diamond cuts. Cushion, oval, marquise, pear and heart-shaped d...
- It’s important to note that diamond cut and diamond shape are not the same thing. A diamond’s cut determines how its facets interact with light. A...
- Tiffany & Co. has nearly 1,500 in-house artisans. Master artisans cut and polish Tiffany diamonds in our Botswana, Cambodia, Vietnam, Mauritius and...
Diamond cut refers to how well-proportioned the dimensions of a diamond are and how its surfaces, or facets, are positioned to create sparkle and brilliance. There are several different cuts of diamonds, each describing the quality of the gem’s faceting, symmetry, proportion and polish.
Discover what a diamond shape is, the different types and how each one sparkles. Learn about color, clarity, cut and carat weight at Tiffany & Co.
20 de oct. de 2023 · A diamond’s cut is the dimensions of the diamond that dictates how shiny it becomes. In simpler terms, the more precise the cut, the better brilliance, fire, and scintillation (see above for definitions) your diamond will show.
