7.06ct Cushion (12.44×11.44×7.32) vs 6.76ct Cushion (12.25×11.49×7.35)

Diamond size comparison

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Actual size of 7.06ct Cushion diamond
Actual size
sample image
vs.
Actual size of 6.76ct Cushion diamond
Actual size
sample image
7.06 ct Cushion (12.44×11.44×7.32mm) 6.76 ct Cushion (12.25×11.49×7.35mm)
Cutting style
(modified) brilliant
(modified) brilliant
Weight
7.06 ct
6.76 ct
Measurements
12.44×11.44×7.32 mm
12.25×11.49×7.35 mm
Total depth
64% OK
64% OK
L/W ratio
1.09
1.07
Face-up size
Borderline
Inadequate
 
This diamond is borderline SPREAD CUT!
This diamond is a SPREAD CUT!
Actual diamond size
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 7.06ct Cushion (12.44×11.44×7.32mm) and 6.76ct Cushion (12.25×11.49×7.35mm) 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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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on a left finger
7.06ct Cushion on a left ring
64 mm
Right finger image
Ring on a right finger
6.76ct Cushion on a right ring
Your settings
Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
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Ring diameter: 16.9 mm
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7.06ct Cushion side view Side view of ring
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6.76ct Cushion side view Side view of ring
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Face-up area
128.08 mm²  (±5%)
126.68 mm²  (±5%)
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.
Face-up size outline
Face-up size outline
7.06ct Cushion (12.44×11.44×7.32mm)
6.76ct Cushion (12.25×11.49×7.35mm)
Difference: 1.4mm² (1%)
7.06 carat Cushion (12.44×11.44×7.32mm) has approx. 1% more face-up area than 6.76 carat Cushion (12.25×11.49×7.35mm).
Face-up area per carat
18.14 mm²/ct
18.74 mm²/ct
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).
7.06ct Cushion (12.44×11.44×7.32mm)
6.76ct Cushion (12.25×11.49×7.35mm)
Price (best value)
Min. clarity
SI1 or better
SI1 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%
56 - 70%
Length-to-width ratio
1.00 - 1.35
1.00 - 1.35
Min. polish/symmetry
Good or better
Good or better
 Detailed buying guide

Additional Info

7.06ct Cushion (12.44×11.44×7.32mm)
6.76ct Cushion (12.25×11.49×7.35mm)
Face-up size
A bit large for 7.06 carat Cushion
Too large for 6.76 carat Cushion
Facets
usually 58
usually 58
Length
12.44 mm
12.25 mm
Width
11.44 mm
11.49 mm
Depth
7.32 mm
7.35 mm
Gram weight
1.41 g (0.0498 ounces)
1.35 g (0.0477 ounces)
Points
706 pts
676 pts
Volume
401.14 mm³
384.09 mm³


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Depth percentage for 7.06 carat Cushion (12.44×11.44×7.32mm)

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 64%, which is OK. (Recommended depth percentage for Cushions is between 59% and 70%)

Depth percentage for cushions is calculated with the following formula:
Depth % = (total depth ÷ width) × 100

7.06 carat Cushion (12.44×11.44×7.32mm) depth %:
Total depth: 7.32 mm
Width = 11.44 mm
Depth % = (7.32 ÷ 11.44 ) × 100 = 64%

Depth percentage for 6.76 carat Cushion (12.25×11.49×7.35mm)

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 64%, which is OK. (Recommended depth percentage for Cushions is between 59% and 70%)

Depth percentage for cushions is calculated with the following formula:
Depth % = (total depth ÷ width) × 100

6.76 carat Cushion (12.25×11.49×7.35mm) depth %:
Total depth: 7.35 mm
Width = 11.49 mm
Depth % = (7.35 ÷ 11.49 ) × 100 = 64%

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.


Face-up size evaluation for 7.06 carat Cushion (12.44×11.44×7.32mm)

The face-up size of this 7.06 carat Cushion (12.44×11.44×7.32mm) is slightly out of normal range for 7.06ct diamonds of this shape. Compared to 7.06 carat Cushion reference diamond, this diamond seems a bit too large when viewed from the top. This could be indicative of a spread cut, which is not a good sign.

A spread cut is a diamond that is cut to maximize spread. In this case, it would look larger than a well cut 7.06 carat Cushion when viewed from the top, however, this is usually not a good thing. Spread cuts are typically too shallow, which allows light to leak out of the stone instead of being properly returned back to the viewer's eye.

Spread cuts can look lifeless and flat, and can sometimes exhibit a fish-eye effect. They may also come with an extremely thin girdle which can easily chip.

The bottom line: This diamond could be a spread cut. Caution is advised, since spread cuts usually lack the sparkle and perfection that is expected of a beautiful diamond.

7.06 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.
Parameters:
Weight: 7.06ct
Depth: 64%
L/W ratio: 1
 
Calculated values:
Length: 11.18 mm
Width: 11.18 mm
Depth: 7.16 mm
*Est. face-up area: 112.49 mm²
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 6.76 carat Cushion (12.25×11.49×7.35mm)

The face-up size of this 6.76 carat Cushion (12.25×11.49×7.35mm) is out of normal range for 6.76ct diamonds of this shape. Compared to 6.76 carat Cushion reference diamond, this diamond appears too big when viewed from the top. You might think that's a good thing, however, it's not. This is a so called spread cut.

A spread cut is a diamond that is cut to maximize spread instead of optimal light performance. If compared from above, it would look larger than a well cut 6.76ct Cushion. This is not a good thing. Spread cuts are typically too shallow, which allows light to leak out of the stone resulting in less light being reflected back to the viewer's eye.

Spread cuts usually look lifeless and flat, and can sometimes exhibit a fish-eye effect. They may also come with an extremely thin girdle which can easily chip.

The bottom line: Spread cuts generally lack the brilliance and perfection that is expected of a beautiful diamond. Don't be fooled into thinking that you're getting a larger diamond for the money. This could be a rather flat, boring stone.

6.76 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.
Parameters:
Weight: 6.76ct
Depth: 64%
L/W ratio: 1
 
Calculated values:
Length: 11.02 mm
Width: 11.02 mm
Depth: 7.05 mm
*Est. face-up area: 109.3 mm²
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 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 7.06ct Cushion (12.44×11.44×7.32mm):
Top surface area = 128.08 mm²
Weight = 7.06ct

Face-up area per carat = 128.08 ÷ 7.06 = 18.14mm²/ct

Face-up area per carat for 6.76ct Cushion (12.25×11.49×7.35mm):
Top surface area = 126.68 mm²
Weight = 6.76ct

Face-up area per carat = 126.68 ÷ 6.76 = 18.74mm²/ct

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