8.08ct Pear (16.8×12.12×7.39) vs 6.75ct Emerald (14.03×10.12×6.58)
Diamond size comparison
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| 8.08 ct Pear (16.8×12.12×7.39mm) | 6.75 ct Emerald (14.03×10.12×6.58mm) |
Cutting style
Modified brilliant
Step cut
Weight
8.08 ct
6.75 ct
Measurements
16.8×12.12×7.39 mm
14.03×10.12×6.58 mm
L/W ratio
1.39
1.39
Face-up size
Adequate
Inadequate
This diamond LOOKS its weight!
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 8.08ct Pear (16.8×12.12×7.39mm) and 6.75ct Emerald (14.03×10.12×6.58mm) 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 8.08ct Pear (16.8×12.12×7.39mm) and 6.75ct Emerald (14.03×10.12×6.58mm) 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.
| 8.08ct Pear (16.8×12.12×7.39mm) | |
| 6.75ct Emerald (14.03×10.12×6.58mm) | |
| Difference: 13.76mm² (10%) |
8.08 carat Pear (16.8×12.12×7.39mm) has approx. 10% more face-up area than 6.75 carat Emerald (14.03×10.12×6.58mm).
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).
8.08ct Pear (16.8×12.12×7.39mm)
6.75ct Emerald (14.03×10.12×6.58mm)
Min. clarity
SI or better
VS or better
Min. color (platinum setting)
H+
H+
Min. color (yellow gold setting)
J+
I+
Depth percentage
59 - 65%
60 - 69%
Table percentage
50 - 65%
58 - 69%
Length-to-width ratio
1.45 - 1.75
1.25 - 1.65
Min. polish/symmetry
Good or better
Good or better
Additional Info
8.08ct Pear (16.8×12.12×7.39mm)
6.75ct Emerald (14.03×10.12×6.58mm)
Face-up size
Normal for 8.08 carat Pear
Too large for 6.75 carat Emerald
Facets
usually 58
usually 58
Length
16.8 mm
14.03 mm
Width
12.12 mm
10.12 mm
Depth
7.39 mm
6.58 mm
Gram weight
1.62 g (0.057 ounces)
1.35 g (0.0476 ounces)
Points
808 pts
675 pts
Volume
459.09 mm³
383.52 mm³
Compare diamonds
Choose diamonds to compare:
Popular comparisons:
- 8.08ct Pear (16.8x12.12x7.39) vs. 9ct Oval (15.93x12.58x7.67)
- 8.08ct Pear (16.8x12.12x7.39) vs. 9ct Oval (17.02x11.09x6.76)
- 8.08ct Pear (16.8x12.12x7.39) vs. 7.15ct Oval (15.07x10.89x6.64)
- 8.08ct Pear (16.8x12.12x7.39) vs. 7.29ct Oval (15.74x10.49x6.4)
- 8.08ct Pear (16.8x12.12x7.39) vs. 8.35ct Oval (15.8x11.95x7.29)
- 8.08ct Pear (16.8x12.12x7.39) vs. 8.03ct Emerald (13.47x9.96x6.73)
- 8.08ct Pear (18.06x10.97x6.82) vs. 7.01ct Pear (16.72x10.84x6.5)
- 8ct Pear (18.09x10.9x6.65) vs. 1ct Round (6.5x6.5x3.92)
- 8.08ct Pear (18.06x10.97x6.82) vs. 9.01ct Emerald (14.21x10.4x6.5)
Depth percentage for 8.08 carat Pear (16.8×12.12×7.39mm)
Depth percentage of Pear cut is the ratio of the total depth (measured from table to culet)
to its width. The total depth percentage of this diamond
is 61%, which is OK.
(Recommended depth percentage for Pears is between 59% and
65%)
Depth percentage for pears is calculated with the following formula:
Depth percentage for pears is calculated with the following formula:
Depth % = (total depth ÷ width) × 100
8.08 carat
Pear
(16.8×12.12×7.39mm) depth %:
Total depth: 7.39 mm
Width = 12.12 mm
Width = 12.12 mm
Depth % = (7.39 ÷ 12.12 ) × 100 = 61%
Depth percentage for 6.75 carat Emerald (14.03×10.12×6.58mm)
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
6.75 carat
Emerald
(14.03×10.12×6.58mm) depth %:
Total depth: 6.58 mm
Width = 10.12 mm
Width = 10.12 mm
Depth % = (6.58 ÷ 10.12 ) × 100 = 65%
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 8.08 carat Pear (16.8×12.12×7.39mm)
The face-up size of this 8.08 carat Pear
(16.8×12.12×7.39mm) is within the normal range for
8.08ct diamonds of this shape.
Compared to 8.08ct
Pear 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 8.1 carat Pear with less sparkle and the same face-up size as a well cut 7.7ct Pear, 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 8.1 carat Pear with less sparkle and the same face-up size as a well cut 7.7ct Pear, which one would you choose?
The bottom line:
A diamond must look its weight. This one does. Thumbs up.
8.08 carat Pear reference diamond
Since there are no specific ideal proportions defined for Pear cuts,
an estimation formula is used to calculate the Pear reference diamond.
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Note: Pear diamonds with face-up area of within 9% lower
and 12% higher than reference Pear diamond area
are considered to be of adequate face-up size.
* Estimated Face-up area: Face-up area of Pear 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 6.75 carat Emerald (14.03×10.12×6.58mm)
The face-up size of this 6.75 carat Emerald
(14.03×10.12×6.58mm) is out of normal range for
6.75ct diamonds of this shape. Compared to 6.75
carat Emerald 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 6.75ct Emerald. 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 6.75ct Emerald. 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.
6.75 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 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 8.08ct Pear (16.8×12.12×7.39mm):
Top surface area = 148.64 mm²
Weight = 8.08ct
Face-up area per carat = 148.64 ÷ 8.08 = 18.4mm²/ct
Weight = 8.08ct
Face-up area per carat = 148.64 ÷ 8.08 = 18.4mm²/ct
Face-up area per carat
for 6.75ct Emerald (14.03×10.12×6.58mm):
Top surface area = 134.88 mm²
Weight = 6.75ct
Face-up area per carat = 134.88 ÷ 6.75 = 19.98mm²/ct
Weight = 6.75ct
Face-up area per carat = 134.88 ÷ 6.75 = 19.98mm²/ct
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