The Private Reserve
Ideal Cut Diamonds
In-Stock & Available:
Diamond Inventory
Ideal Cut
Classifications
AGS Ideal 0 Cut
AGS-000/Triple 0 defined
Eighternity
Diamonds
GIA Excellent / Ideal
Hearts & Arrows Ideals
Just Plain "Ideal"
The Ideal Differences
Fancy Shape Desc.
Asscher Cut Diamonds
Cushion Cut Diamonds
Princess Cut Diamonds
Private Reserve Terms:
Glossary of Terms
Inventory Introduction
Engagement Rings:
Overview of Styles
Tiffany Solitaires
Gold Solitaires
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Solitaires
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3 Stone Rings (DeBeers)
3 Stone Rings (Fancy)
Designer Collection:
Designs by Tacori
Designs by D. Vatche
Designs by Viachi
Diamond Grading
The Expanded 4Cs
1.
Cut = Light Return
2.
Color
3.
Clarity
4.
Carat Weight
Clarity Characteristics
Degrees of
Magnification
Diamond Grading Tools
Evaluating A Diamond
Fast Track to Brilliance
FireScope™
Fluorescence
Grading for Real People
Holloway Cut Advisor
Polish
Proportions
Proportions Analysis
Sarin DiaMension
Symmetry
SymmetriScope™
The 60/60 Farce
Tolkowsky Range
Buyer Beware!
Chipped Diamonds
"Empty House Listers"
Re-Cut Diamonds
Secret Stuff
Treated Diamonds
When
is "Ideal" not?
Diamond Price
Tools
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A word
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What is a Site Sale?
Independent Laboratories
The GIA vs. the AGS
Important Stuff
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Find an Appraiser
Kimberly Diamond Act
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When is an "Ideal Cut Diamond" Not?
When the proportions of the diamond do not actually fall within the parameters set forth by the American Gem Society Laboratory (AGSL) for the zero ideal cut proportions rating. Do not assume that a diamond is "Ideal Cut" simply because it has a Total Depth & Table Diameter that is within the range for ideal or because the diamond has AGS Ideal or GIA Excellent polish and symmetry! Such assumptions are foolish and can be quite costly. Insist on obtaining the Crown Angle and Pavilion Angle measurements for any diamond that you are considering, the information is easily determined by Sarin DiaMension computerized proportions analysis. Here is an example of a GIA Graded Diamond that is a perfect example of a diamond that might be mistaken as having Ideal Proportions:
This is a page from our original site, please click here to visit our current site!
The diamond has a Total Depth of 59.9% and a 56% Table Diameter and
Excellent Polish and Symmetry, yet the Crown Angle which is not disclosed
on a GIA Diamond Grading Report is only 32.4 degrees which results in an
overall proportions rating of AGS-2 Very Good as stated on the Sarin
proportions label which we affixed beneath the "Comments" section of the
report. Click on the thumbnail size image to view the full size
graphic. The second thumbnail image is the full page version of our computerized proportions
analysis for this diamond. The advantage to the full page report is
that it shows the high and low measurements that the average Crown or
Pavilion Angle measurements are based upon, the little Avery type mailing
label version only discloses the averages.
All of the Ideal Cut Diamonds listed for sale in our Private
Reserve of Nice Ice are "True" Ideal Cut Diamonds accompanied by
computerized proportions
analysis as proof of the proportions. Regardless of whether you are
purchasing a diamond on-line or from your local retailer, we recommend
obtaining the full version of the computerized proportions analysis before
completing the terms of purchase. If the jewelry store or diamond
dealer who you are working with does not have an OGI or Sarin machine on
the premises, we recommend having them send the diamond to an Independent
GIA Graduate Gemologist Appraiser who has a Sarin or OGI on the premises
for verification. Make determination of the proportions a "condition
of sale". Refer to our List of Diamond
Appraisers for a referral to an appraiser in your area.
May we help you find the diamond of your dreams?
Send us an email diamonds@niceice.com
and tell us what you are looking for.
Or give us a call at 206.319.8152 or Toll Free 877.844.5443
Copyright © 1996 - 2009 Nice Ice, Inc.
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is a registered trademark of the American Gem Society (702) 255-6500
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