0.75ct Trillion (7.83×7.83×3.13) vs 0.75ct Princess (5.51×5.51×3.97)
Diamond size comparison
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| 0.75 ct Trillion (7.83×7.83×3.13mm) | 0.75 ct Princess (5.51×5.51×3.97mm) |
Cutting style
Modified brilliant
Modified brilliant
Weight
0.75 ct
0.75 ct
Measurements
7.83×7.83×3.13 mm
5.51×5.51×3.97 mm
L/W ratio
1
1
Face-up size
Inadequate
Inadequate
This diamond is a SPREAD CUT!
This diamond is a SPREAD CUT!
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 0.75ct Trillion (7.83×7.83×3.13mm) and 0.75ct Princess (5.51×5.51×3.97mm) 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 0.75ct Trillion (7.83×7.83×3.13mm) and 0.75ct Princess (5.51×5.51×3.97mm) 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 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.
| 0.75ct Trillion (7.83×7.83×3.13mm) | |
| 0.75ct Princess (5.51×5.51×3.97mm) | |
| Difference: 7.65mm² (25%) |
0.75 carat Trillion (7.83×7.83×3.13mm) has approx. 25% more face-up area than 0.75 carat Princess (5.51×5.51×3.97mm).
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).
0.75ct Trillion (7.83×7.83×3.13mm)
0.75ct Princess (5.51×5.51×3.97mm)
Min. clarity
SI or better
VS2, SI1 or better
Min. color (platinum setting)
H+
I+
Min. color (yellow gold setting)
J+
J+
Depth percentage
32 - 48%
64 - 75%
Table percentage
50 - 70%
60 - 75%
Length-to-width ratio
1.00 - 1.10
1.00 - 1.05
Min. polish/symmetry
Good or better
Good or better
Additional Info
0.75ct Trillion (7.83×7.83×3.13mm)
0.75ct Princess (5.51×5.51×3.97mm)
Face-up size
Too large for 0.75 carat Trillion
Too large for 0.75 carat Princess
Facets
Between 31 - 50
usually between 50 - 58
Length
7.83 mm
5.51 mm
Width
7.83 mm
5.51 mm
Depth
3.13 mm
3.97 mm
Gram weight
0.15 g (0.0053 ounces)
0.15 g (0.0053 ounces)
Points
75 pts
75 pts
Volume
42.61 mm³
42.61 mm³
Compare diamonds
Choose diamonds to compare:
Popular comparisons:
- 0.75ct Trillion (7.03x7.03x2.81) vs. 1ct Round (6.5x6.5x3.92)
- 0.7ct Trillion (6.87x6.87x2.75) vs. 0.6ct Trillion (6.52x6.52x2.61)
- 0.75ct Trillion (7.03x7.03x2.81) vs. 0.66ct Trillion (6.74x6.74x2.7)
- 0.7ct Trillion (6.45x6.42x2.7) vs. 0.54ct Trillion (6.07x6.43x2.25)
- 0.72ct Trillion (6.93x6.93x2.77) vs. 0.84ct Trillion (7.3x7.3x2.92)
- 0.7ct Trillion (6.87x6.87x2.75) vs. 0.7ct Round (5.77x5.77x3.48)
- 0.78ct Trillion (6.96x7.08x2.54) vs. 0.76ct Trillion (6.95x6.66x2.76)
- 0.75ct Trillion (7.03x7.03x2.81) vs. 1ct Trillion (7.74x7.74x3.1)
- 0.79ct Trillion (7.15x7.15x2.86) vs. 0.79ct Round (6.01x6.01x3.62)
Depth percentage for 0.75 carat Trillion (7.83×7.83×3.13mm)
Depth percentage of Trillion cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 40%, which is OK.
(Recommended depth percentage for Trillions is between 32% and
48%)
Depth percentage for trillions is calculated with the following formula:
Depth percentage for trillions is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
0.75 carat
Trillion
(7.83×7.83×3.13mm) depth %:
Total depth: 3.13 mm
Width = 7.83 mm
Width = 7.83 mm
Depth % = (3.13 ÷ 7.83 ) × 100 = 40%
Depth percentage for 0.75 carat Princess (5.51×5.51×3.97mm)
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 72.1%, 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
0.75 carat
Princess
(5.51×5.51×3.97mm) depth %:
Total depth: 3.97 mm
Width = 5.51 mm
Width = 5.51 mm
Depth % = (3.97 ÷ 5.51 ) × 100 = 72.1%
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 0.75 carat Trillion (7.83×7.83×3.13mm)
The face-up size of this 0.75 carat Trillion
(7.83×7.83×3.13mm) is out of normal range for
0.75ct diamonds of this shape. Compared to 0.75
carat Trillion 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 0.75ct Trillion. 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.
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 0.75ct Trillion. 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.
0.75 carat Trillion reference diamond
Since there are no specific ideal proportions defined for Trillion cuts,
an estimation formula is used to calculate the Trillion reference diamond.
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Note: Trillion diamonds with face-up area of within 13% lower
and 16% higher than reference Trillion diamond area
are considered to be of adequate face-up size.
* Estimated Face-up area: Face-up area of Trillion cuts
is only an estimation (±9%). 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 0.75 carat Princess (5.51×5.51×3.97mm)
The face-up size of this 0.75 carat Princess
(5.51×5.51×3.97mm) is out of normal range for
0.75ct diamonds of this shape. Compared to 0.75
carat Princess 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 0.75ct Princess. 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.
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 0.75ct Princess. 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.
0.75 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.
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 0.75ct Trillion (7.83×7.83×3.13mm):
Top surface area = 38.01 mm²
Weight = 0.75ct
Face-up area per carat = 38.01 ÷ 0.75 = 50.68mm²/ct
Weight = 0.75ct
Face-up area per carat = 38.01 ÷ 0.75 = 50.68mm²/ct
Face-up area per carat
for 0.75ct Princess (5.51×5.51×3.97mm):
Top surface area = 30.36 mm²
Weight = 0.75ct
Face-up area per carat = 30.36 ÷ 0.75 = 40.48mm²/ct
Weight = 0.75ct
Face-up area per carat = 30.36 ÷ 0.75 = 40.48mm²/ct
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