6.96ct Cushion (10.6×9.97×7.3) vs 6ct Radiant (10×10×7)
Diamond size comparison
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| 6.96 ct Cushion (10.6×9.97×7.3mm) | 6 ct Radiant (10×10×7mm) |
Cutting style
(modified) brilliant
Mixed
Weight
6.96 ct
6 ct
Measurements
10.6×9.97×7.3 mm
10×10×7 mm
L/W ratio
1.06
1
Face-up size
Inadequate
Borderline
This diamond does NOT look its weight!
This diamond BARELY looks its weight!
Actual diamond size
Before purchasing a diamond, one should make sure it looks its weight.
It's important to understand that
carat weight does not equal face-up size.
Two diamonds of exactly the same weight (and shape) can vary quite considerably in face-up size. This depends on the proportions of the cut (e.g., deep cuts will face up smaller).
Here you can see the actual sizes of 6.96ct Cushion (10.6×9.97×7.3mm) and 6ct Radiant (10×10×7mm) as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these stones would look on your finger.
Two diamonds of exactly the same weight (and shape) can vary quite considerably in face-up size. This depends on the proportions of the cut (e.g., deep cuts will face up smaller).
Here you can see the actual sizes of 6.96ct Cushion (10.6×9.97×7.3mm) and 6ct Radiant (10×10×7mm) as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these stones would look on your finger.
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Face-up area is a measure of the size of the diamond
when viewed from the top (as set in a ring).
It tells you how big the diamond is at the girdle plane. It's important for a diamond to have sufficient face-up size for its carat weight.
It tells you how big the diamond is at the girdle plane. It's important for a diamond to have sufficient face-up size for its carat weight.
| 6.96ct Cushion (10.6×9.97×7.3mm) | |
| 6ct Radiant (10×10×7mm) | |
| Difference: 0.11mm² (0.1%) |
6.96 carat Cushion (10.6×9.97×7.3mm) has approx. 0.1% more face-up area than 6 carat Radiant (10×10×7mm).
To learn about the accuracy of these numbers, click here.
Quick Buying Guide
Diamond prices vary greatly as they depend on the combination of unique characteristics (4Cs - Cut, Color, Clarity, and Carat). For best value, it's important to choose the combination that will reduce the price without having a negative impact on appearance.
Each shape has its own recommended balance of qualities that will give you the most bang for your buck. Below is a quick buying guide to give you an idea, but for more detailed explanation, please see the complete buying guides for the respective diamonds (links below).
Each shape has its own recommended balance of qualities that will give you the most bang for your buck. Below is a quick buying guide to give you an idea, but for more detailed explanation, please see the complete buying guides for the respective diamonds (links below).
6.96ct Cushion (10.6×9.97×7.3mm)
6ct Radiant (10×10×7mm)
Min. clarity
SI1 or better
SI or better
Min. color (platinum setting)
H+
H+
Min. color (yellow gold setting)
J+
J+
Depth percentage
59 - 70%
59 - 70%
Table percentage
56 - 70%
58 - 70%
Length-to-width ratio
1.00 - 1.35
1.00 - 1.35
Min. polish/symmetry
Good or better
Good or better
Additional Info
6.96ct Cushion (10.6×9.97×7.3mm)
6ct Radiant (10×10×7mm)
Face-up size
Too small for 6.96 carat Cushion
A bit small for 6 carat Radiant
Facets
usually 58
usually between 62 - 70
Length
10.6 mm
10 mm
Width
9.97 mm
10 mm
Depth
7.3 mm
7 mm
Gram weight
1.39 g (0.0491 ounces)
1.2 g (0.0423 ounces)
Points
696 pts
600 pts
Volume
395.45 mm³
340.91 mm³
Compare diamonds
Choose diamonds to compare:
Popular comparisons:
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- 7ct Cushion (11.15x11.15x7.14) vs. 10ct Cushion (12.55x12.55x8.03)
- 7ct Cushion (11.15x11.15x7.14) vs. 6ct Cushion (10.59x10.59x6.78)
- 7ct Cushion (11.15x11.15x7.14) vs. 1ct Princess (5.51x5.51x3.97)
- 7ct Cushion (11.15x11.15x7.14) vs. 1ct Round (6.5x6.5x3.92)
- 7ct Cushion (13x10x6.4) vs. 4ct Cushion (11x8x5.12)
- 7ct Cushion (11.15x11.15x7.14) vs. 7ct Radiant (11.05x11.05x7.07)
- 7ct Cushion (11.15x11.15x7.14) vs. 4.5ct Oval (18.41x7.8x4.75)
- 7.03ct Cushion (11.97x10.1x6.73) vs. 4.38ct Oval (13.25x9.2x5.8)
Depth percentage for 6.96 carat Cushion (10.6×9.97×7.3mm)
Depth percentage of Cushion cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 73.2%, which is too deep!.
(Recommended depth percentage for Cushions is between 59% and
70%)
Depth percentage for cushions is calculated with the following formula:
Depth percentage for cushions is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
6.96 carat
Cushion
(10.6×9.97×7.3mm) depth %:
Total depth: 7.3 mm
Width = 9.97 mm
Width = 9.97 mm
Depth % = (7.3 ÷ 9.97 ) × 100 = 73.2%
Depth percentage for 6 carat Radiant (10×10×7mm)
Depth percentage of Radiant cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 70%, which is OK.
(Recommended depth percentage for Radiants is between 59% and
70%)
Depth percentage for radiants is calculated with the following formula:
Depth percentage for radiants is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
6 carat
Radiant
(10×10×7mm) depth %:
Total depth: 7 mm
Width = 10 mm
Width = 10 mm
Depth % = (7 ÷ 10 ) × 100 = 70%
About Depth Percentage
Depth percentage is one of the most important measurements as it plays a critical role in diamond's
appearance. If a diamond is cut too deep or too shallow, light leaks out, making
the stone less brilliant and fiery. Deep cuts also add hidden weight.
Diamonds that fall out of recommended depth range are generally less desirable and usually best to be avoided.
Diamonds that fall out of recommended depth range are generally less desirable and usually best to be avoided.
Face-up size evaluation for 6.96 carat Cushion (10.6×9.97×7.3mm)
The face-up size of this 6.96 carat Cushion
(10.6×9.97×7.3mm) is out of normal range for
6.96ct diamonds of this shape. Compared to 6.96
carat Cushion reference diamond,
this diamond appears too small when viewed from the top, which makes it a chubby.
A chubby is a diamond with hidden extra weight that looks smaller than it should when viewed from the top. Hidden weight is typically a result of a poor cut usually linked to oversized girdle, deeper pavilion, and/or steeper crown.
In order to maximize profits, diamond cutters tend to retain as much weight from the rough as possible. This practice, however, can have detrimental effects on the stone's face-up size and its optical qualities. Poorly proportioned stones look duller and sparkle less than well cut stones. Chubby stones also look smaller.
A chubby is a diamond with hidden extra weight that looks smaller than it should when viewed from the top. Hidden weight is typically a result of a poor cut usually linked to oversized girdle, deeper pavilion, and/or steeper crown.
In order to maximize profits, diamond cutters tend to retain as much weight from the rough as possible. This practice, however, can have detrimental effects on the stone's face-up size and its optical qualities. Poorly proportioned stones look duller and sparkle less than well cut stones. Chubby stones also look smaller.
The bottom line:
One should never sacrifice beauty for weight.
You probably don't want to pay for extra weight that doesn't add anything to the beauty.
You want a stone that looks its weight. This 6.96ct Cushion doesn't - from above, its size is comparable to a well cut 5.49ct Cushion.
6.96 carat Cushion reference diamond
Since there are no specific ideal proportions defined for Cushion cuts,
an estimation formula is used to calculate the Cushion reference diamond.
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Note: Cushion diamonds with face-up area of within 9% lower
and 12% higher than reference Cushion diamond area
are considered to be of adequate face-up size.
* Estimated Face-up area: Face-up area of Cushion cuts
is only an estimation (±5%). Due to uniqueness of each stone,
it's impossible to accurately calculate face-up area given only a diamond's measurements.
Face-up size evaluation for 6 carat Radiant (10×10×7mm)
The face-up size of this 6 carat Radiant
(10×10×7mm) is slightly out of normal range for
6ct diamonds of this shape. Compared to 6
carat Radiant reference diamond,
this diamond appears a bit too small when viewed from the top, which means it's
probably a borderline chubby.
A chubby is a diamond with hidden extra weight that looks smaller than it should when viewed from the top. Hidden weight is typically a result of a poor cut usually linked to oversized girdle, deeper pavilion, and/or steeper crown.
In order to maximize profits, diamond cutters tend to retain as much weight from the rough as possible. This practice, however, can have detrimental effects on the stone's face-up size and its optical qualities. Poorly proportioned stones look duller and sparkle less than well cut stones. Chubby stones also look smaller.
A chubby is a diamond with hidden extra weight that looks smaller than it should when viewed from the top. Hidden weight is typically a result of a poor cut usually linked to oversized girdle, deeper pavilion, and/or steeper crown.
In order to maximize profits, diamond cutters tend to retain as much weight from the rough as possible. This practice, however, can have detrimental effects on the stone's face-up size and its optical qualities. Poorly proportioned stones look duller and sparkle less than well cut stones. Chubby stones also look smaller.
The bottom line:
One should never sacrifice beauty for weight.
You probably don't want to pay for extra weight that doesn't add anything to the beauty.
You want a stone that looks its weight. Sizewise, this 6ct Radiant looks like a well cut 5.18ct Radiant.
6 carat Radiant reference diamond
Since there are no specific ideal proportions defined for Radiant cuts,
an estimation formula is used to calculate the Radiant reference diamond.
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Note: Radiant diamonds with face-up area of within 9% lower
and 12% higher than reference Radiant diamond area
are considered to be of adequate face-up size.
* Estimated Face-up area: Face-up area of Radiant cuts
is only an estimation (±4%). Due to uniqueness of each stone,
it's impossible to accurately calculate face-up area given only a diamond's measurements.
Face-up Area per Carat
Face-up area per carat is calculated by dividing face-up area of the diamond with
its carat weight. It tells you how many square millimeters of the top surface area
a diamond is showing or would show for 1 carat weight. This can be useful when comparing stones
of similar weights as it tells you how much spread per carat you will get.
Note: Face-up size does not linearly grow with carat weight,
which means the heavier the stone, the smaller its face-up area per carat (e.g., 1ct stone will have
higher face-up area per carat than 2ct stone).
Face-up area per carat
for 6.96ct Cushion (10.6×9.97×7.3mm):
Top surface area = 95.11 mm²
Weight = 6.96ct
Face-up area per carat = 95.11 ÷ 6.96 = 13.67mm²/ct
Weight = 6.96ct
Face-up area per carat = 95.11 ÷ 6.96 = 13.67mm²/ct
Face-up area per carat
for 6ct Radiant (10×10×7mm):
Top surface area = 95 mm²
Weight = 6ct
Face-up area per carat = 95 ÷ 6 = 15.83mm²/ct
Weight = 6ct
Face-up area per carat = 95 ÷ 6 = 15.83mm²/ct
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