The Finest Engagement Ring Brands
Choosing an engagement ring is a significant milestone in one’s life journey, and finding the perfect brand can make this experience even more memorable. Some brands stand out among the…
|
CUT CLASSES |
Class 1A |
Class 1B |
Class 2A |
Class 2B |
Class 3A |
Class 3B |
Class 4A |
Class 4B |
|
Ideal cut |
Premium cut |
International fine trade cut |
US domestic average cut |
below average |
||||
|
Table % |
62%-68% |
60%-72% |
59%-74% |
58%-78% |
56%-82% |
53%-85% |
50%-88% |
>88% |
|
Crown Height % |
10-15% |
8.5-16% |
8-16.9% |
6-18% |
5-19% |
4-19.9% |
3-20.9% |
<3% |
|
Girdle thickness |
Very Thin to Slightly Thick |
Very Thin |
Very Thin to |
Extremely thin to |
||||
|
Total Depth % |
64%-75% |
58%-80% |
57%-83% |
56%-84% |
53%-85% |
>85% |
||
|
Polish/Symmetry |
|
|
|
|||||
|
Square range |
|
|||||||
|
Rectangular range |
|
|
|
|||||
|
CUT CLASSES |
Class 1A |
|
Ideal cut |
|
|
Table % |
62%-68% |
|
Crown Height % |
10-15% |
|
Girdle thickness |
Very Thin to Slightly Thick |
|
Total Depth % |
64%-75% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 1B |
|
Premium cut |
|
|
Table % |
60%-72% |
|
Crown Height % |
8.5-16% |
|
Girdle thickness |
Very Thin to Slightly Thick |
|
Total Depth % |
64%-75% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 2A |
|
International fine trade cut |
|
|
Table % |
59%-74% |
|
Crown Height % |
8-16.9% |
|
Girdle thickness |
Very Thin to Slightly Thick |
|
Total Depth % |
64%-75% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 2B |
|
International fine trade cut |
|
|
Table % |
58%-78% |
|
Crown Height % |
6-18% |
|
Girdle thickness |
Very Thin |
|
Total Depth % |
58%-80% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 3A |
|
US domestic average cut |
|
|
Table % |
56%-82% |
|
Crown Height % |
5-19% |
|
Girdle thickness |
Very Thin to |
|
Total Depth % |
57%-83% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 3B |
|
US domestic average cut |
|
|
Table % |
53%-85% |
|
Crown Height % |
4-19.9% |
|
Girdle thickness |
Very Thin to |
|
Total Depth % |
56%-84% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 4A |
|
below average |
|
|
Table % |
50%-88% |
|
Crown Height % |
3-20.9% |
|
Girdle thickness |
Extremely thin to |
|
Total Depth % |
53%-85% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
|
CUT CLASSES |
Class 4B |
|
below average |
|
|
Table % |
>88% |
|
Crown Height % |
<3% |
|
Girdle thickness |
Extremely thin to |
|
Total Depth % |
>85% |
|
Polish/Symmetry |
|
|
Square range |
|
|
Rectangular range |
|
Courtesy of D.S. Atlas, Accredited Gem Appraisers, © AGA 1998-2004/P>
Discuss on the Forum
Emerald & Radiant »
