3.75ct Emerald (10.38×7.69×5) vs 3.75ct Cushion (9.05×9.05×5.79)
Diamond size comparison
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3.75 ct Emerald (10.38×7.69×5mm) | 3.75 ct Cushion (9.05×9.05×5.79mm) |
Cutting style
Step cut
(modified) brilliant
Weight
3.75 ct
3.75 ct
Measurements
10.38×7.69×5 mm
9.05×9.05×5.79 mm
L/W ratio
1.35
1
Face-up size
Adequate
Adequate
This diamond LOOKS its weight!
This diamond 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 3.75ct Emerald (10.38×7.69×5mm) and 3.75ct Cushion (9.05×9.05×5.79mm) 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 3.75ct Emerald (10.38×7.69×5mm) and 3.75ct Cushion (9.05×9.05×5.79mm) 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.
Settings
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.
3.75ct Emerald (10.38×7.69×5mm) | |
3.75ct Cushion (9.05×9.05×5.79mm) | |
Difference: 2.12mm² (3%) |
3.75 carat Emerald (10.38×7.69×5mm) has approx. 3% more face-up area than 3.75 carat Cushion (9.05×9.05×5.79mm).
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).
3.75ct Emerald (10.38×7.69×5mm)
3.75ct Cushion (9.05×9.05×5.79mm)
Min. clarity
VS or better
SI1 or better
Min. color (platinum setting)
H+
H+
Min. color (yellow gold setting)
I+
J+
Depth percentage
60 - 69%
59 - 70%
Table percentage
58 - 69%
56 - 70%
Length-to-width ratio
1.25 - 1.65
1.00 - 1.35
Min. polish/symmetry
Good or better
Good or better
Additional Info
3.75ct Emerald (10.38×7.69×5mm)
3.75ct Cushion (9.05×9.05×5.79mm)
Face-up size
Normal for 3.75 carat Emerald
Normal for 3.75 carat Cushion
Facets
usually 58
usually 58
Length
10.38 mm
9.05 mm
Width
7.69 mm
9.05 mm
Depth
5 mm
5.79 mm
Gram weight
0.75 g (0.0265 ounces)
0.75 g (0.0265 ounces)
Points
375 pts
375 pts
Volume
213.07 mm³
213.07 mm³
Compare diamonds
Choose diamonds to compare:
Popular comparisons:
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- 3.75ct Emerald (10.38x7.69x5) vs. 4.04ct Emerald (10.64x7.88x5.12)
- 3.75ct Emerald (10.38x7.69x5) vs. 4ct Emerald (10.61x7.86x5.11)
- 3.75ct Emerald (10.38x7.69x5) vs. 3.75ct Oval (12.62x8.41x5.13)
- 3.75ct Emerald (10.38x7.69x5) vs. 3.75ct Emerald (10.69x7.84x5)
- 3.75ct Emerald (10.38x7.69x5) vs. 3.75ct Asscher (8.72x8.72x5.67)
- 3.75ct Emerald (10.38x7.69x5) vs. 3.45ct Emerald (10.1x7.48x4.86)
- 3.75ct Emerald (10.38x7.69x5) vs. 3.6ct Emerald (10.25x7.59x4.93)
Depth percentage for 3.75 carat Emerald (10.38×7.69×5mm)
Depth percentage of Emerald cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 65%, which is OK.
(Recommended depth percentage for Emeralds is between 60% and
69%)
Depth percentage for emeralds is calculated with the following formula:
Depth percentage for emeralds is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
3.75 carat
Emerald
(10.38×7.69×5mm) depth %:
Total depth: 5 mm
Width = 7.69 mm
Width = 7.69 mm
Depth % = (5 ÷ 7.69 ) × 100 = 65%
Depth percentage for 3.75 carat Cushion (9.05×9.05×5.79mm)
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 percentage for cushions is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
3.75 carat
Cushion
(9.05×9.05×5.79mm) depth %:
Total depth: 5.79 mm
Width = 9.05 mm
Width = 9.05 mm
Depth % = (5.79 ÷ 9.05 ) × 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.
Diamonds that fall out of recommended depth range are generally less desirable and usually best to be avoided.
Face-up size evaluation for 3.75 carat Emerald (10.38×7.69×5mm)
The face-up size of this 3.75 carat Emerald
(10.38×7.69×5mm) is within the normal range for
3.75ct diamonds of this shape.
Compared to 3.75ct
Emerald reference diamond (see below), this diamond is of adequate
size when viewed from the top. In short, all is OK, this diamond looks its weight.
Proper face-up size should play an important role when buying a diamond. When a diamond is set in a ring, your eyes will only see the face-up area, so you should make sure it's of adequate size. Adequate size also indicates a good cut, meaning better light performance. For example, if given a choice between a poorly cut 3.8 carat Emerald with less sparkle and the same face-up size as a well cut 3.4ct Emerald, which one would you choose?
The importance of face-up size
Diamonds are sold by weight (carats), but it's important to understand that weight doesn't equally translate into physical size, especially spread. Two diamonds of the same carat weight can vary greatly in spread, meaning that one diamond can appear larger than the other, even though they weight exactly the same.Proper face-up size should play an important role when buying a diamond. When a diamond is set in a ring, your eyes will only see the face-up area, so you should make sure it's of adequate size. Adequate size also indicates a good cut, meaning better light performance. For example, if given a choice between a poorly cut 3.8 carat Emerald with less sparkle and the same face-up size as a well cut 3.4ct Emerald, which one would you choose?
The bottom line:
A diamond must look its weight. This one does. Thumbs up.
3.75 carat Emerald reference diamond
Since there are no specific ideal proportions defined for Emerald cuts,
an estimation formula is used to calculate the Emerald reference diamond.
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Note: Emerald diamonds with face-up area of within 9% lower
and 12% higher than reference Emerald diamond area
are considered to be of adequate face-up size.
* Estimated Face-up area: Face-up area of Emerald 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 size evaluation for 3.75 carat Cushion (9.05×9.05×5.79mm)
The face-up size of this 3.75 carat Cushion
(9.05×9.05×5.79mm) is within the normal range for
3.75ct diamonds of this shape.
Compared to 3.75ct
Cushion reference diamond (see below), this diamond is of adequate
size when viewed from the top. In short, all is OK, this diamond looks its weight.
Proper face-up size should play an important role when buying a diamond. When a diamond is set in a ring, your eyes will only see the face-up area, so you should make sure it's of adequate size. Adequate size also indicates a good cut, meaning better light performance. For example, if given a choice between a poorly cut 3.8 carat Cushion with less sparkle and the same face-up size as a well cut 3.4ct Cushion, which one would you choose?
The importance of face-up size
Diamonds are sold by weight (carats), but it's important to understand that weight doesn't equally translate into physical size, especially spread. Two diamonds of the same carat weight can vary greatly in spread, meaning that one diamond can appear larger than the other, even though they weight exactly the same.Proper face-up size should play an important role when buying a diamond. When a diamond is set in a ring, your eyes will only see the face-up area, so you should make sure it's of adequate size. Adequate size also indicates a good cut, meaning better light performance. For example, if given a choice between a poorly cut 3.8 carat Cushion with less sparkle and the same face-up size as a well cut 3.4ct Cushion, which one would you choose?
The bottom line:
A diamond must look its weight. This one does. Thumbs up.
3.75 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 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 3.75ct Emerald (10.38×7.69×5mm):
Top surface area = 75.83 mm²
Weight = 3.75ct
Face-up area per carat = 75.83 ÷ 3.75 = 20.22mm²/ct
Weight = 3.75ct
Face-up area per carat = 75.83 ÷ 3.75 = 20.22mm²/ct
Face-up area per carat
for 3.75ct Cushion (9.05×9.05×5.79mm):
Top surface area = 73.71 mm²
Weight = 3.75ct
Face-up area per carat = 73.71 ÷ 3.75 = 19.66mm²/ct
Weight = 3.75ct
Face-up area per carat = 73.71 ÷ 3.75 = 19.66mm²/ct
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