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The reason it is important to have a Diamond evaluated by an Independent Gemological
Laboratory is that Diamonds often contain minute, invisible to the naked eye inclusions
or imperfections. These can have a major influence on the price. Therefore, if not
for a great deal of scrutiny on the part of the buyer, it is easy to make a mistake
and purchase a Diamond of lower value, believing it to be of higher value.
If you find a Diamond you like, and it is not certified there is nothing wrong with
asking
your Jeweler to send it to a reputable Independent Gemological Laboratory for certification.
If your Jeweler has a problem with that, then you should start asking your jeweler
and yourself
many more questions! This request is a standard practice in the Diamond Industry.
A Diamond Certificate is a document issued by a Gemological Laboratory and is essentially
a
statement confirming the characteristics and authenticity of a Diamond and will
usually contain
the following information:
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Reference number |
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This number allows laboratories to access your Diamond information in the event
of any
queries you may have. |
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Shape & Style / Cut |
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The shape & style characteristics relating to your Diamond. Eg. Round Brilliant. |
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Measurements |
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The measurements for your Diamond, which will either be shown as (minimum diameter)
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(maximum diameter) x (depth) for round brilliant Diamonds and (length-top to bottom)
x
(width-left to right) x (depth) for all other shapes. All measurements will be given
in millimeters. |
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Proportions |
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This information is used to highlight your Diamonds values in terms of girdle, culet,
durability,
weight ratio and tilt. |
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Finish |
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Used to describe the Polish & Symmetry of your Diamond and relates to how smooth
the Diamonds
facets are. Finish information also takes into account the placement of the Diamonds
facets and
their uniformity. |
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Color |
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The laboratories opinion on the color of your Diamond.
This may be displayed as a letter (D to Z, with D being a colorless Diamond) or
as a number
(0 to 10, with 0 being used to describe a colorless Diamond). |
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Clarity |
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This information refers to any blemishes and inclusions that your Diamond may have.
This information may be displayed as Flawless / Internally Flawless (FL/IF) to I
(Included).
As with color, this information may also be displayed as numbers (0-10), with 0
representing
a Flawless / Internally Flawless Diamond. |
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Fluorescence |
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This part of the report provides you with information on any fluorescence in your
Diamond.
Fluorescence is a form of illumination that is created when a Diamond is exposed
to low or
high wave ultraviolet radiation. Fluorescence is graded from none through faint,
slight, medium
or moderate and continues up to strong and extreme. |
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Weight |
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This section gives your Diamonds weight information, to the nearest thousandth of
a carat
(one carat = 0.2 grams). Carats are further divided into points. Points are used
to describe
Diamonds of sizes less than one carat in weight. A hundredth of a carat is also
called a point.
Therefore a 0.10 carat stone can be called either 10 points, or 1/10 of a carat.
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Plot |
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This part of a Diamond Grading Report will show an enlarged picture of your Diamond
and will
illustrate the location/s of any blemishes or inclusions in your Diamond. |
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Scale |
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Use this part of your report to compare your Diamonds characteristics against the
Color, Cut &
Clarity scales.
Worthy of note is that Gemological Laboratories do not sell Diamonds and therefore
are able to
remain totally impartial when assessing a Diamonds grade.
We only offer Diamonds graded by prominent laboratories including,
IGI (International Gemological Institute), GIA (Gemological Institute of America),
AGSL
(American Gem Society Laboratories) and HRD.
Please do take the time to view examples of Diamond Certificates from all of the
above
laboratories, which can be seen below. These examples should help you to become
acquainted
and familiar with how each report is structured. Additionally, feel free to visit
any of the web
links on the certificate pages for further information.
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We believe that by offering independently certified Diamonds our customers
are able to feel confident and secure in the knowledge that they are getting the
Diamond they
want. There cannot possibly be any conflict of interest as each of our stones is
graded by an
independent laboratory.
Our customers are purchasing the ultimate symbol of love and devotion,
commitment and togetherness. We believe that our customers are entitled to expect
the best,
and deserve to be able to feel confident in their decisions.
For these reasons we only offer independently certified Diamonds.
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