4Cs Diamond Quality is that the universal method for assessing the standard of any diamond, anywhere within the world. The creation of the Diamond 4Cs meant two vital things: diamond quality might be communicated during a universal language, and diamond customers could now know exactly what they were close to purchasing.
Clarity refers to the inclusion and blemishes of a diamond; the level of clarity is determined by the number, place, size whether it's obvious and therefore the general effect of these inclusions and blemishes on the looks of a diamond. Since diamonds are formed naturally, the formation process would usually include another substance that causes so-called crystals, feathers inside a diamond. Better clarity gives a better value to a diamond.
Clarity is the relative absence of blemishes and inclusions. Diamonds with the smallest inclusions receive the upper clarity grades. Diamonds that haven't any hints of inclusions or blemishes are graded flawless /internally flawless clarity.
All diamonds are graded for clarity using the 11point diamond clarity scale created by the GIA.
Flawless (FL): No blemishes or inclusions are visible to a skilled grader using 10× magnification.
Internally Flawless (IF): No inclusions and only blemishes are visible to a talented grader using 10× magnification.
Very Slightly Included (VVS1 and VVS2): Inclusions are difficult for a skilled grader to ascertain under 10× magnification.
Very Slightly Included (VS1 and VS2): Inclusions are minor and range from difficult to somewhat easy for a skilled grader to ascertain under 10x magnification.
Slightly Included (SI1 and SI2): Inclusions are noticeable to a skilled grader under 10x magnification.
Included (I1, I2, and I3): Inclusions are obvious under 10× magnification and should affect transparency and brilliance.
Since the diamond with “Included” grading includes quite obvious inclusion, we don't recommend and also don't offer diamonds with Grade I1, I2 & I3, except customers request us to supply.
The carat is that the diamond’s physical weight measured in metric carats. One carat equals 1/5 gram and is subdivided into 100 points. Carat weight is that the most objective grade of the 4Cs.
Carat weight is that the most objective of the diamond’s 4Cs. All that's required may be a precisely balanced scale capable of measuring extremely small weights.
Carat weight started with the carob seed, when early gem traders used the small, uniform seeds as counterweights in their balance scales. Today, the carat is that the same milligram weight in every corner of the world.
Diamond weight is expressed in metric measurements called carats where one carat equates to 200 milligrams. The word carat originates from the Greek term Keratin for the fruit of carob. Within the earlier times, an accurate unit was absent for precise weight measurements of diamonds.
The small seeds of the carob fruit were considered to be fairly uniform in size and weight. Hence they provided a uniform basis for gem weight. Early gem traders used this method until the 20th century when a carat was standardized as 0.2 gram.
Here weight equals money so cutters attempt to retain the maximum weight as possible once they fashion diamond rough. However, two diamonds of equal weight can have very different values counting on the opposite members of the Four C’s, which are cut, color, carat and clarity.
Clarity and color are born naturally with a diamond; however, on the other hand, Cutting is determined by the craftsmanship the diamond receives, which is a crucial factor to steer the diamond to sparkling perfection. The cutting factor involves complex determination, as a worth factor, though, it refers to a diamond’s symmetry, proportions and polish.
The Cut is that the most significant of all characteristics during a diamond. The way a diamond is cut makes an important contribution to its interaction with light. Diamonds have an exceptional capability to reflect and manipulate light to maximize their brilliance. A skilled cutting allows the light to be dispersed and reflected as a rainbow of color, which provides a diamond its incredible brightness, fire and scintillation. Diamonds that are cut incorrectly lose light through the sides or bottom of the diamond leading to a poor, less brilliant diamond.
Cut grading is determined by watching a diamond’s overall face-up appearance, fire, weight ratio, durability, weight ratio, durability, brightness, scintillation, polish and symmetry. The cut grade varies from excellent to poor cut.
Understanding what diamond color means helps in choosing the diamond. Interestingly, 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, like a drop of pure water, and consequently, a better value. GIA’s D-to-Z diamond color-grading system measures the degree of colorlessness by comparing a stone under controlled lighting and precise viewing conditions to master stones of established color value.
color is that the second most vital characteristic of a diamond after the cut. Diamonds are available in different colors, but the common color is brown and yellow. The translucent diamonds are considered to be structurally perfect, but they're rare to return by. Diamonds get their color by the presence of trace elements like nitrogen, which imparts yellow color, boron imparts blue color or sometimes the natural radiation from nearby rocks trap electrons impart green surface color and red or pink shades are thanks to changes to the electron structure during the voyage to the surface.
Diamonds are valued by how closely they approach colorlessness - the less the color, the higher their value. A color grade of D is that the highest grade possible, while Z is that the lowest on size.
1. Diamond Anatomy: While every diamond is unique, all diamonds share certain structural features. A diamond’s anatomy, or its basic structure, determines its proportions, dispersion, brilliance and scintillation. Each part of the diamond features a specific name and having a basic understanding of how each part contributes to the diamond as an entire will assist you to find your perfect diamond.
A diamond is comprised of eight main components. they're Diameter, Table, Girdle, Pavilion, Depth, Crown, Table Spread and Culet. Below may be a brief description of every part of a diamond and its location.
Diameter: The width of a polished stone, measured from edge to edge.
Table: The most important polished facet is located on the top of the diamond.
Crown: The top is a part of a diamond extending from the table to the girdle. The crown is formed from bezel facets (crown mains), upper girdle facets (upper halves), star facets and a table facet.
Girdle: The very edge (widest edge) of the diamond where the crown and pavilion meet.
Pavilion: Rock bottoms a part of a diamond extending from the girdle right down to the culet.
Depth: The total height of a diamond measured from the table to the culet.
Culet: The small facet at the very bottom of the diamond.
Before purchasing a diamond, confirm that you simply have a basic understanding of a diamond’s anatomy. This may allow you to really appreciate diamonds and everyone their intricacies, communicate with experts a few particular diamonds and most significantly, it'll assist you in making a well-thought-out decision about which diamond is best for you.
Pointers and dimensions of the diamond are among the important factors in the valuation of fancy shapes diamonds. It's considered as an element for deciding the price of diamonds.
For example:- 1/10 pointers size means 10 pieces in one carat. The diamonds within the parcel ranges from 0.08 cts to 0.125 cts which makes the average size of the parcel 0.09 to 0.10 cts size. Similarly, the pointers range as 1/6, 1/5, 1/4, 1/3, 1/2, 5/8, 3/4, 4/4.
2. Dimensions: The fancy shape diamonds have main two dimensions as width and length width and length of diamond. The width and length are two important factors for the price calculation of the parcels.
Diamond Length-Width (L/W) Ratio: The width and length ratio of the diamond indicates its proportionate width and length. The width and length ratio signifies how the diamond would look from the face i.e. top view. The L/W ratio gives a thought to how big or small the stone will appear, also defining its shape. Diamonds with different ratios shape up differently; this ratio can make a princess cut diamond look rectangular, a heart bloated or skinny. It's important to evaluate all the shapes except round since it measures an equivalent throughout. Fancy shape diamonds like Princess, Radiant, Cushion, Oval, Pear, Asscher, Marquise, Emerald, Heart, etc., all have a particular basic length-to-width ratio that's considered to form the diamonds look brighter.
How to Calculate L/W Ratio?
A simple formula can help get the L/W ratio of the diamond. To calculate the L/W ratio just divide the length
of
the diamond by its width. E.g. a pear-shaped diamond with a length of 7.5 mm and a width of 5.0 mm will have a
1.50: 1 length-to-width ratio.
The diamond shape is though a matter of private taste, but there are certain set standards to describe the best L/W ratio.
