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Round
Brilliance
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Marquise
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Pear
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Heart
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0,05
2,5
1,5 |
0,10
3,0
1,8 |
0,20
3,8
2,3 |
0,25
4,1
2,5 |
0,30
4,5
2,7 |
0,40
4,8
3,0 |
0,50
5,2
3,1 |
0,70
5,8
3,5 |
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0,90
6,3
3,8 |
1,00
6,5
3,9 |
1,25
6,9
4,3 |
1,50
7,4
4,5 |
1,75
7,8
4,7 |
2,00
8,2
4,9 |
2,50
8,8
5,3 |
3,00
9,4
5,6 |
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D(0+)-F(1+)
Colorless |
G(1)-J(4)
Near Colorless |
K(5)-M(7)
Slightly Tinted |
N(8)-R(12)
Very Light Yellow |
S(13)-Z(20)
Light Yellow - Yellow |

Internally Flawless |

Very Very Slightly included |
 
Very Slightly included |
| Free from internal blemishes visible
under 10x magnification (small external details tolerated) |
Inclusions and/or external blemishes
very difficult to locate under 10x magnification. |
Inclusions and external blemishes difficult
to locate under 10x magnification. |

Slightly included |

Imperfect-1 |

Imperfect-2 |

Imperfect-3 |
| Inclusions and external blemishes easy
to locate under 10x magnification. |
Inclusions and external blemishes very
easy to locate under 10x magnification. |
Inclusions and external blemishes easy
to locate with naked eye. |
Heavy inclusions located with naked
eye. |
| I. Clarity Grades |
| F |
(Flawless in all respects) |
Ultimate Quality |
| IF |
(Internally Flawless) |
Extremely High Quality |
| VVS-1 |
(Very, very, slight inclusion) |
Extraordinarily High Quality |
| VVS-2 |
(Very, very, slight inclusion) |
Extraordinarily High Quality |
| VS-1 |
(Very slight inclusion) |
Very High Quality |
| VS-2 |
(Very slight inclusion) |
High Quality |
| SI-1 |
(Slight inclusion) Not Visible |
Good Quality |
| SI-2 |
(Slight inclusion) Not Visible |
Satisfactory Quality |
| SI-3 |
(Slightly more included)
probably not visible |
Border Line Quality |
| I-1 |
(Imperfect) Barely Visible |
Low Quality |
| I-2 |
(Imperfect) Easily Visible |
Lower Quality |
| I-3 |
(Imperfect) Totally Visible |
Lowest Quality |
| II. Color Grades |
| D, E, F |
(Colorless) |
Perfect Color |
| G, H, I, J |
(Near Colorless) |
High Quality Color |
| K |
(Slightly Tinted) |
Lesser Quality |
| L |
(Yellow Tinted) |
Lower Quality |
| M |
(Heavily Tinted) |
Lesser Quality |
| N & lower |
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Various shades |
| III. Quality of the Cut |
| Ultra Ideal |
Ultimate Quality |
| Ideal |
Extremely High Quality |
| Premium |
Extraordinarily High Quality |
| Very, very Good |
High Quality |
| Very Good |
Above Normal Quality |
| Good |
Satisfactory Quality |
| Fair |
Borderline Quality |
| Poor |
Low Quality |
| Very Poor |
Still Lower Quality |
| Very, very poor |
Lowest Quality |
| Flawed |
Diamond cut to wrong proportions |
It is impossible to do comparison shopping or price comparisons for the following reasons:
- Two diamonds will never have all of the exact same
features, so one can never compare like items;
- According to a federal government study, retail sellers misrepresent the color, clarity, and quality of cut 90% of the time, so one really doesn't know what one is buying;
- If purchasing a diamond "with papers", it is very common for papers to be switched from one diamond to another, resulting in misrepresentation of grade;
- Approximately ten different labs produce papers on certified diamonds and each has different standards and each puts a different label on the same diamond thus making comparison impossible;
- Finally, many people completely overlook the quality of the cut, and this one feature will affect price by 90% thus making comparisons meaningless, because something having a 90% impact on price has been ignored.
When buying a diamond, the retail jeweler looks at the
customer as a "one time" buyer. This creates a situation where the retail
jeweler is not concerned about additional future business. As a result,
the retail jeweler is inclined to tell the diamond buyer almost anything,
because he is a one time buyer. The literature in this area says that
as many as 80% of the diamond sales are misrepresented. Most commonly
the retail jeweler will overstate the clarity or over state the color
by one full grade. This practice makes it very difficult for the buyer
to compare apples to apples. You may call our office and ask for a price
on an SI-1 and after getting the price, you may tell me that you found
a jeweler who will sell it for thousands less than this price. In reality
what he is selling you is a lower quality diamond and a lower color
diamond for a lesser amount.
When shopping at the retail level, never believe any rating
or color grade unless you see and read the "GIA Grading Report". This
will clearly state the grade and color. Forget what you are being told,
simply read the grades and colors from the GIA Grading Report. This
gives you the best chance to compare apples with apples. Without this
clear information, you are attempting to compare prices on products
that may not even be close to comparable. In the past few weeks, we
have seen a retail jeweler falsely sell an I-1 grade diamond to a customer
by telling her that it was an SI-1 grade. He misrepresented it by two
or three grades.
Be sure that you get a copy of the GIA Grading Report
so that you can do comparison shopping. One final caveat: In the past
few weeks, we have found retail jewelers who were taking the GIA Grading
Reports and switching them. For example, they would take a report with
a higher rating and place it with a diamond of a lower rating. They
can make $2,000, $5,000 or more by doing this switch and only a detailed
study under magnification can catch this fraud. These practices are
not isolated or rare. They are happening every day in every town all
across the country.
- Consider buying a Princess Cut because this cut will
be about 15% less expensive than the other shapes as less diamond is
lost in the cutting process;
- Stay away from the even carat weights. Avoid 1 ct,
1.5 cts, 2.0 CTS, 2.5 CTS, 3.0 CTS, etc. Again you can save an additional
10% to 15% by getting the following sizes instead: .98 CT, 1.47 CT,
2.49 CT, 2.95 CT, etc. Avoid the round numbers where demand is the greatest
and prices are the highest;
- The Princess Cut offers another advantage. It has so
many facets and reflects so much light that it is almost impossible
to see what is going on inside of the diamond. Many people have taken
advantage of this characteristic, and they order the Princess Cut in
either an SI-2 clarity or an I-1 clarity, because even if there is some
microscopic inconsistency, the many facets of the Princess Cut make
it impossible to see any such minor variations. Absolute maximum savings
and value will be obtained by ordering a Princess Cut diamond, in I-1
clarity, with H or I color, in a size that avoids the even weights.
Consider the following differences:
- 1.5 CT diamond, round, IF clarity, D color, approximate
price $18,000 wholesale, $25,000 retail
- 1.48 CT diamond, Princess Cut, I-1 clarity, I color,
approx price $ 3,900 wholesale $ 8,000 retail.
Both are beautiful diamonds to look at, but the
second one will save you $11,000 on the purchase price and will continue
to save you money each year through lower insurance costs.
From time to time people will say that they found a
certain diamond that is less than half the cost of our wholesale price.
The reason for this and the answer to this question is usually one of
the following:
A. Flawed Cut. A diamond can be the same size, and have the same
color and the same clarity as another diamond and yet be less than half
the price of the other diamond, because of problems with the cut. A
diamond can have a cut that is either too shallow or too deep, and this
error greatly reduces the brilliance of the diamond. This inappropriate
cut also reduces the diamond's price by half or more.
B. Lab Altered Diamonds. A second reason that a diamond may be
very inexpensive is because it has been altered, treated, or changed
in a laboratory. Many diamonds are labeled as HT, HP, or CE diamonds.
HT is high heat, HP is high pressure, and CE is Clarity Enhanced diamonds.
The lab starts out with a defective diamond such as an I-2 or an I-3,
and they drill holes in the diamond using a laser. Acid is then forced
into these holes under high pressure and under high heat, and many of
the imperfections can be removed. One can also take a yellow shaded
diamond and expose it to high heat and cause it to turn a whiter color.
The market is now flooded with these lab altered diamonds. A close look
at these diamonds reveals that the lab treatments have taken away much
of the luster and brilliance of the diamonds, and they end up with a
"glassy" appearance. Under magnification one can see that
the brilliant whiteness has been replaced with a multi-colored rainbow
appearance. This is because there is still oil contained in the small
holes that were laser drilled.
Often these diamonds have the letters HT, HP, or CE etched on the surface
using a laser. These labels are supposed to protect consumers. Unfortunately,
the laser can also be used to easily remove this protective lettering
and often you end up with no idea about what you are buying. You can
easily pay $5,000 for a $1,500 diamond.
You will be pleased to learn that we at Southeastern do not deal in
these lab altered diamonds. A few years ago the current fad was CZ (cubic
zirconia). It was said that CZ would soon replace genuine diamonds.
But instead the value of genuine diamonds has continued to rise, and
the value of CZ is approaching zero. We do not consider these lab altered
diamonds to be real, and we have serious concerns about their future
value.
To learn how to recognize and guard against buying
lab altered diamonds, click on www.niceice.com/treatments.htm.
When buying loose diamonds, call ahead to check the
supply and availability on that day. Since this is a wholesale supplier
selling primarily to jewelry stores, the inventory turns over quickly
with merchandise coming and going on a daily basis. When you call ahead,
the item you desire will be set aside in your name so that you can remit
payment. If the item you desire is not on hand, it will be promptly
obtained for you.
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