be it in the form of a household heirloom, an antique piece of jewelry, an engagement or a wedding ring, a diamond is a gem that has actually symbolized love, legend, and also affluence because that centuries. But, exactly how much is a diamond worth? It is rare the diamond owners are aware of what specifically makes one diamond much more valuable than another. As soon as it come time to offer a diamond, the is vital to understand these differences so that you get a same deal.

It is rare that diamond owners are aware of what exactly makes one diamond much more valuable 보다 another. When it comes time to sell a diamond, that is vital to recognize these differences so the you obtain a same deal.

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Primary determinants of a Diamond’s Value: The four C’s

While every diamonds are made the compressed carbon, every individual diamond is unique and also different in its own right. Diamonds come in a wide selection of shapes, sizes, colors and also various internal and also external characteristics, which offer as diamond identification. All polished diamonds have some value, yet how exactly does one determine how much a diamond is worth?

A diamond’s value is based on a number of various factors. To dispel arguments around a diamond’s precious – the diamond industry specialists use a collection of particular guidelines which help establish the exact quality and desirability that a diamond. These guidelines, or the 4 C’s, were developed by the Gemological academy of America and also are the communication of diamond worth estimation. They include:

1. Carat

A significant factor in a diamond’s value is the weight. A ‘carat,’ a word acquired from carob tree seed which were supplied in old times come balance scales, is the unit of an option for the weight measurement of a diamond.

One Carat equals 200 milligrams or 0.007055 ounces. The standardized device of metric carats is further separated into 100 points. A 50-point diamond is half of a carat or 0.5 carats.

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GIA grading report.

Most experienced diamond grading industries have their own standards and also are well-known to employ and conform come their own terminology. For any diamond seller, that is command to understand the difference in between the miscellaneous grading systems and how they to compare to one another, as a diamond certificate plays a far-reaching part in the value estimation that a diamond.

Some of the most reputable diamond grading laboratories of the people include:

Gemological academy of America – GIAAmerican Gemological society – AGSThe Diamond High council – Hoge Raad Voor Diamante – HRDThe worldwide Gemological academy – IGIGemological Science global – GSI

Apart indigenous these top grading labs, there room a plethora the other species of certificates. Every grading laboratory may offer various kinds of certificates or grading reports. They may be highly comprehensive reports, straightforward dossiers, or more compact certificates. Various grading labs have various names for the certificates they market which helps identify their brands in the diamond industry.

While the AGS is recognized to speak to its certificates The Diamond Quality documents or Diamond high quality Analyses, the GIA refers to them as either a GIA Diamond Report or GIA Diamond Dossier, conversely, the GSI certificate come in a couple of different versions, from the very straightforward (Modified Diamond examination Report) to the most an extensive (Full Diamond check Report).


Each certificate different slightly in terminology, grading system, simplicity, and also layout. There are some, which incorporate diagrams or proportion values while rather don’t.

Each certification authority has its unique quirks. The GIA is known to be the strictest for Clarity, usually awarding at least one grade lower than various other laboratories. The HRD is known to add its own term the clarity class to all diamonds through impurities invisible to the 10X magnification; the Loupe Clean. The AGS clarity grading is quite similar to the GIA if the IGI, EGL, and HRD every award one or 2 grades greater than the GIA.

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The exact same holds true because that the distinction in color grading by assorted diamond-grading laboratories. The GIA is the government while HRD and AGS complement closely. EGL, top top the various other hand, tends to award greater grades 보다 the GIA.

It is necessary to keep in mind that the certificate doesn’t actually alter the value of the diamond – it just confirms its authenticity and characteristics. The being said, if one laboratory says your diamond’s shade is “E” and one says it is “D,” this will have an effect. ~ above the various other hand, jewelers generally tend to value GIA certificates much more in your reliability.

Secondary factors in identify What a Diamond Is Worth

Apart from the 4 C’s, there are a variety of other determinants that call us how to recognize diamond value. These factors are no as major though castle do have an effect.

1. Culet

The culet is the bottom point of a diamond. Commonly slightly flat or faceted, the culet affect the light power of a diamond. The culet size and angle are two main factors, which deserve to have a far-ranging effect ~ above the value of a diamond.

The right culet need to be positioned in the exact center of the bottom of the diamond and also should it is in of a small size. Angle deviation and also increase in size both adversely impact the diamond’s price.

2. Girdle Thickness

The thickness that the girdle or the edge that is created where the top (crown) and the bottom (pavilion) the the diamond meet, can potentially have a negative effect on the value of a diamond. Unlike thickness that the girdle will undermine the symmetry of the diamond, i beg your pardon is crucial for irradiate performance.

3. Laser Inscription

There is a lot of of controversy attached come the effect of laser inscriptions on the worth of a diamond. Laser inscription reasons microscopic indentations on the surface of the diamond itself, marring it through imperfections.


Therefore, it should have an result on the clarity that the diamond and thus on the all at once price value. However, ironically, as most certification service providers inscribe the diamonds themselves, they have actually the ability to exclude, them indigenous the grading altogether.

From a technical point of view, laser engravings should have a depreciating impact on a diamond’s worth, yet they have actually been well-known to actually increase the value instead. The laser inscriptions, specifically those done by certification carriers such together the GIA, space taken together validation and also proof of the top quality of the diamond. Moreover, this laser inscriptions assist avoid confusion, identify ownership, and also deter fraud in the diamond industry.

The Rapaport Report – putting The total Diamond worth All Together

The Rapaport Report (sample image below) is an market report produced by the Rapaport group and also published weekly. This report details the value of a diamond based on the above characteristics. When a diamond’s features have to be determined, a jeweler will refer to the Rapaport report to recognize the really price.

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The report perform prices per carat (in hundreds) ~ above a procession of clarity and also color. Per-point worth of diamonds boosts the larger the diamond is. So, a 1.01-carat diamond may cost significantly more than a .99-carat diamond in spite of the reality that they are nearly exactly the same.

Once a price has actually been determined based upon this report, jewelers will make adjustments based upon cut, girdle, culet, and also other secondary factors. Finally, jewelers may apply discounts or premiums of a certain percent in ~ their very own discretion. As soon as these room applied, you’ll have actually the complete understanding of how much the diamond is worth.