3 Carat Asscher (7.77×7.57×5.23mm) vs. 3 Carat Princess (7.45×7.44×5.5mm)
Diamond comparison
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| 3 ct Asscher (7.77×7.57×5.23mm) | 3 ct Princess (7.45×7.44×5.5mm) |
Cutting style
Step cut
Modified brilliant
Weight
3 ct
3 ct
Measurements
7.77×7.57×5.23 mm
7.45×7.44×5.5 mm
L/W ratio
1.03
1
Face-up size
Borderline
Inadequate
This diamond BARELY looks its weight!
This diamond does NOT look 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 3ct Asscher (7.77×7.57×5.23mm) and 3ct Princess (7.45×7.44×5.5mm) 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. To choose different diamonds or to change diamond parameters click here.
Compare prices and availability from recommended online vendors:
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 3ct Asscher (7.77×7.57×5.23mm) and 3ct Princess (7.45×7.44×5.5mm) 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. To choose different diamonds or to change diamond parameters click here.
Compare prices and availability from recommended online vendors:
Settings
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Ring:
Skin tone:
Ring width: 3.0 mm
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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.
| 3ct Asscher (7.77×7.57×5.23mm) | |
| 3ct Princess (7.45×7.44×5.5mm) | |
| Difference: 1.32mm² (2%) |
3 carat Princess (7.45×7.44×5.5mm) has approx. 2% more top surface area than 3 carat Asscher (7.77×7.57×5.23mm).
To learn about the accuracy of these numbers, click here.
Quick Buying Guide
3ct Asscher (7.77×7.57×5.23mm)
3ct Princess (7.45×7.44×5.5mm)
Min. clarity
VS or better
VS2, SI1 or better
Min. color (platinum solitaire)
H+
I+
Depth percentage
60 - 69%
64 - 75%
Table percentage
58 - 69%
60 - 75%
Length-to-width ratio
1.00 - 1.05
1.00 - 1.05
Min. polish/symmetry
Good or better
Good or better
Additional Info
3ct Asscher (7.77×7.57×5.23mm)
3ct Princess (7.45×7.44×5.5mm)
Face-up size
A bit small for 3 carat Asscher
Too small for 3 carat Princess
Facets
usually 58
usually between 50 - 58
Length
7.77 mm
7.45 mm
Width
7.57 mm
7.44 mm
Depth
5.23 mm
5.5 mm
Gram weight
0.6 g (0.0212 ounces)
0.6 g (0.0212 ounces)
Points
300 pts
300 pts
Volume
170.45 mm³
170.45 mm³
Compare diamonds
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- 3.01ct Asscher (8.48x7.69x5.32) vs. 2.86ct Asscher (8.09x7.71x5.79)
- 3ct Asscher (7.67x7.62x5.54) vs. 3.01ct Asscher (8.1x7.9x5.5)
- 3ct Asscher (8.07x8.07x5.27) vs. 2.05ct Round (8.26x8.26x4.98)
- 3ct Asscher (7.84x7.85x5.33) vs. 2.6ct Asscher (7.59x7.59x5.12)
- 3ct Asscher (7.45x7.45x5.95) vs. 3ct Pear (9.44x8.8x5.6)
- 3.01ct Asscher (7.91x7.81x5.39) vs. 2.01ct Asscher (6.94x6.91x4.6)
- 3.01ct Asscher (7.92x7.72x5.45) vs. 2.19ct Cushion (7.75x7.75x5.02)
- 3ct Asscher (7.67x7.62x5.54) vs. 2.56ct Asscher (7.56x7.5x5.21)
Depth percentage for 3 carat Asscher (7.77×7.57×5.23mm)
Depth percentage of Asscher cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 69.1%, which is too deep!.
(Recommended depth percentage for Asschers is between 60% and
69%)
Depth percentage for asschers is calculated with the following formula:
Depth percentage for asschers is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
3 carat
Asscher
(7.77×7.57×5.23mm) depth %:
Total depth: 5.23 mm
Width = 7.57 mm
Width = 7.57 mm
Depth % = (5.23 ÷ 7.57 ) × 100 = 69.1%
Depth percentage for 3 carat Princess (7.45×7.44×5.5mm)
Depth percentage of Princess cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 73.9%, which is OK.
(Recommended depth percentage for Princesses is between 64% and
75%)
Depth percentage for princesses is calculated with the following formula:
Depth percentage for princesses is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
3 carat
Princess
(7.45×7.44×5.5mm) depth %:
Total depth: 5.5 mm
Width = 7.44 mm
Width = 7.44 mm
Depth % = (5.5 ÷ 7.44 ) × 100 = 73.9%
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 3 carat Asscher (7.77×7.57×5.23mm)
The face-up size of this 3 carat Asscher
(7.77×7.57×5.23mm) is slightly out of normal range for
3ct diamonds of this shape. Compared to 3
carat Asscher 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. This 3ct Asscher
looks like a well cut
2.55ct.
3 carat Asscher reference diamond
Since there are no specific ideal proportions defined for Asscher cuts,
an estimation formula is used to calculate the Asscher reference diamond.
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Note: Asscher diamonds with face-up area of within 9% lower
and 12% higher than reference Asscher diamond area
are considered to be of adequate face-up size.
* Estimated Face-up area: Face-up area of Asscher 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.
To learn more about diamond size evaluation, click here.
Face-up size evaluation for 3 carat Princess (7.45×7.44×5.5mm)
The face-up size of this 3 carat Princess
(7.45×7.44×5.5mm) is out of normal range for
3ct diamonds of this shape. Compared to 3
carat Princess 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 one doesn't - it looks like a well cut
2.47ct Princess.
3 carat Princess reference diamond
Since there are no specific ideal proportions defined for Princess cuts,
an estimation formula is used to calculate the Princess reference diamond.
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Note: Princess diamonds with face-up area of within 8% lower
and 12% higher than reference Princess diamond area
are considered to be of adequate face-up size.
To learn more about diamond size evaluation, click here.
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 3ct Asscher (7.77×7.57×5.23mm):
Top surface area = 54.11 mm²
Weight = 3ct
Face-up area per carat = 54.11 ÷ 3 = 18.04mm²/ct
Weight = 3ct
Face-up area per carat = 54.11 ÷ 3 = 18.04mm²/ct
Face-up area per carat
for 3ct Princess (7.45×7.44×5.5mm):
Top surface area = 55.43 mm²
Weight = 3ct
Face-up area per carat = 55.43 ÷ 3 = 18.48mm²/ct
Weight = 3ct
Face-up area per carat = 55.43 ÷ 3 = 18.48mm²/ct
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