The Diamond Certificate is generally referred to as a Diamond Grading Report given by an independent gemology lab. For a diamond the 4 C’s are highly significant. These 4 C’s refer to the Cut, Clarity, Colour and the Carat weight of the diamond, recognized as the four primary characteristics of diamonds by Gemologist. Gemsake diamonds are certified by the world’s
leading gem grading labs including GIA & IGI
The precious diamond stones are available in various sizes, shapes and cuts. Usually the terms “shapes” and “cuts” are used interchangeably by people across the globe. However, an expert would elucidate the difference between the two and categorically stating of them as two distinct aspects.
Gemsake offers 10 different shapes of diamonds all are unique and offer a different type of scintillation and sparkle.
Round
Princess
Cushion
Radiant
Asscher
Emerald
Oval
Pear
Marquise
Heart
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Price
The price will vary depending on the quality of diamonds in the market, the source of the diamond and many other factors. All the price inclusive of VAT if it is applicable.
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Carat
The carat is the standard unit of measurement used to indicate the weight of a diamond. Carat is often confused with size even though it is actually a measure of weight. One carat equals 200 milligrams or 0.2 grams. Remember that while the measurements below are typical, every diamond is unique. The scale below illustrates the typical size relationship between diamonds of increasing carat weights.
Actual diamond size on size 6 hand
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Cut
Nothing is more impactful on a precious stone's brilliance than its cut. The cut refers to the angles and proportions of a diamond. Known in the industry as ‘fire’, referring to the coloured light reflected, and ‘brilliance’ for the uncoloured light. The cut of a diamond - its form and finish, its
depth and width, the uniformity of the facets - determines its beauty.
Excellent
Very good
Good
Fair
It is an exceptionally uncommon cut which reflects roughly all the light that enters the precious stone. The excellent Cut refers to the topmost three percent quality diamond stones.
This cut evaluation is a representation of around fifteen percent of the top quality jewels which reflects just about as much light as falls into the precious stone, one grade lower than the Excellent cut’s reflection which is almost absolute.
Reflects most light that enters, represents around a quarter of diamonds. Good quality cut to optimize the size without sacrificing quality or beauty. In monetary terms the Good Cut diamonds are far less costly than the Very Good Cut ones.
Fair Cut diamonds are just about reasonable, speaks to thirty five percent of the precious stones. This is the lower quality cut approved for jewellery, by experts.
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Colour
A diamond’s colour is one of its most significant characteristics, enlisted as a fundamental measure of quality. The diamond colour scale begins at D (colourless) and ends at Z (light yellow). Colourless diamonds allow more light to pass through than a coloured diamond, releasing more sparkle and fire.
D
E
F
G
H
I
J
D colour diamonds are absolutely colourless, the rarest gemstones to exist. The most expensive colour grade
E colour range is the second highest quality range of diamonds while examining their transparency. These are rare diamonds and the very slight requires professional expertise to detect any dim tone.
F colour detected by an expert gemologist, but still considered a colorless" grade -- a high-quality diamond."
G graded diamonds with noticeable tint is detectable for experts with a keen eye when compared to diamonds of better grades, but offers excellent value.
H coloured diamonds are near colourless diamonds which still appear totally white or colourless if they are not compared side by side with higher colour graded stones. They are almost completely hue free.
I Color diamonds are very slightly tinted diamonds and noticeable when compared to diamonds of better grades, but offers great value for money.
J coloured diamonds range have trivial hue. The tint is very ignorable.
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Clarity
A diamond's clarity refers to the presence of impurities on and within the stone. The diamond with highest quality on clarity grading is the one with absence of any imperfections which could possibly occur in the stone.
I1
SI2
SI1
VS2
VS1
VVS2
VVS1
IF
The diamonds in this category are completely flawless with no internal or external inclusions of any kind. These are the rarest diamonds.
This grade range includes the diamonds which are very, very slightly included. It is almost impossible to detect inclusions under 10x range magnification.
This grade range includes the diamonds which are very, very slightly included. It is almost impossible to detect inclusions under 10x range magnification
The very slightly included grade of diamonds which have visible imperfections on the uncovered eye.
The very slightly included grade of diamonds which have visible imperfections on the uncovered eye.
The slightly included diamonds, considered to be fine quality, having visible imperfections under magnification range of 10x.
The slightly included diamonds, considered to be fine quality, having visible imperfections under magnification range of 10x
The Included Diamonds with I1-I3 as the lowest clarity grade on the scale. The imperfections in these diamonds are very much visible to the naked eye.
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Symmetry
Symmetry refers to the angles to which the facets are aligned. Basically exactness of the shape of a diamond, and the symmetrical arrangement and even placement of the facets. If facets are misaligned, the diamond may poorly reflect light. Symmetry is graded from Excellent, Very Good, Good, Fair, or Poor. Gemsake recommends diamonds with Good or higher symmetry grades.
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Polish
Polish refers to the smoothness of the exterior of a diamond. Polish is graded from Ideal, Excellent, Very Good, Good, Fair, or Poor. Polish grades of Good or higher have the least effect on the brilliance of the diamond and recommended by Gemsake for the finest quality jewelry.
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Table
Table referred as the largest facet of a gemstone, located at the top. Table %
is the table width as a percentage of the girdle diameter.
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Depth
The height of a gemstone, from the culet to the table referred as a Depth of the Gemstone
. Depth % is the height of the diamond as a percentage of the girdle diameter.
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Fluorescence
Fluorescence is the visible light some diamonds emit when they are exposed to invisible ultraviolet (UV) rays. In diamonds with strong or very strong fluorescence, there may be some interference with the flow of light which causes a milky appearance. Gemsake offer diamonds with different
fluorescence grades.
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Report
The Diamond Certificate is generally referred to as a Diamond Grading Report given by an independent gemology lab. For a diamond the 4 C’s are highly significant. These 4 C’s refer to the Cut, Clarity, Colour and the Carat weight of the diamond, recognized as the four primary characteristics of diamonds by Gemologist. Gemsake diamonds are certified by the world’s
leading gem grading labs including GIA & IGI