Blue Diamond Jewellery

Reading the Report for GIA Diamond Rings

GIA is an international non-profit
gemological institute that appraises the
value of loose diamonds. If you already
have one or more GIA diamond rings, the
stones were evaluated before they were
set in the rings. The GIA set the tone
for evaluating and analyzing diamonds
and the same process is followed today
by other diamond appraisal institutes,
such as IGI appraisals. Such an
appraisal is essential if you want to
make sure that the diamonds you purchase
are best value diamonds.

When you send loose diamonds to the GIA
for grading, you will receive a report
on each diamond. Reports of GIA diamond
rings grading are extremely
comprehensive, which is why you should
be able to understand what the report
says about the stones you have had
appraised without too much trouble.

The date of the appraisal is always at
the top of the report and there is a
report number which is entered into the
institute?s international database. If
you wish, you can have this number laser
inscribed on the diamond. The next part
of the report on GIA diamond rings deals
with the shape and the cutting style of
the diamond.

The shape of the diamond has a lot to do
with determining the setting of the
diamond in the ring. The cuts include
round, Princess, Marquise, oval and
pear-shaped. Certain settings are suited
to specific cuts to ensure that the
diamond looks elegant in the ring and on
the hand of the person wearing it. The
most common settings for diamond rings
are:

? Solitaire in which the diamond is
secured in a basket of four or six
prongs so that it catches the light with
each movement of the hand.

? Sidestone settings have other stones
on each side of the diamond to keep it
in place and to add enhance the
brilliance and color of the stone.

? Three-stone settings have a diamond
for the past, present and future.

The report for GIA diamond rings, much
like IGI appraisals, also gives the
measurement of the diamond. For round
diamonds this is represented by the
minimum depth and length and for fancy
diamonds by the length times width times
depth. The overall weight of the diamond
is given in carats and the more carats
there are the more expensive the diamond
will be. This is another way of knowing
whether or not you purchased best value
diamonds. One carat is 1/5 of one gram
and the weight is recorded to the
nearest 1/100 of a carat.

There is a GIA master comparison scale
when grading the color of diamonds. The
best diamonds are white and almost
colorless. While yellow diamonds are
given the lowest grade, there are canary
yellow stones that are quite valuable.
These fall into the category of fancy
diamonds along with those that are pink,
blue, and green.

The clarity or clearness of a diamond
according to the rating scale of GIA
diamond rings refers to any
imperfections that can be seen when the
diamond is analyzed under high-power
microscopes. Those diamonds with slight
imperfections can still be considered
best value diamonds if the imperfections
in the gems are such that they cannot be
seen with the naked eye or under a
normal microscope.

Diamonds for GIA diamond rings are
graded according to their polish and
finish to determine their level of
brilliance and how they reflect the
light that falls on them. The diamonds
are inspected for smoothness and the
number of facets in the stone. Symmetry
is also important to ensure that all
facets are in balance and to determine
the best placement of several stones in
a ring.

Gemologists use ultra-violet lights to
determine the amount of fluorescence in
the diamonds and this is also given on
the report. Many other appraisal
institutes do not provide a report that
is as comprehensive as one you receive
from GIA. Your report will contain
diagrams of the stone as well as keys to
the various symbols used in the report.

Diamonds for GIA diamond rings are graded according to their
polish and finish to determine their level of brilliance and
how they reflect the light that falls on them. The diamonds
are inspected for smoothness and the number of facets in the
stone. Symmetry is also important to ensure that all facets
are in balance and to determine the best placement of
several stones in a ring.

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