5.75 Carat Princess (9.87×9.87×7.11mm)

Diamond details

Actual size of a 5.75 carat Princess
Actual size
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Shape: Princess
Weight: 5.75 carat
Price: check here »
L×W×D: 9.87 × 9.87 × 7.11 mm
Depth: 72% OK
L/W ratio: 1
Face-up size:
Adequate
This diamond LOOKS its weight!
This 5.75 carat Princess has a face-up area of approx. 97.42 mm², which falls within the normal range for 5.75ct Princesses. A face-up area is the area of the girdle plane and tells you how big the stone looks when viewed from the top (as set in a ring). Face-up size of this diamond is as you would expect of a 5.75ct Princess → learn more
 

Actual Diamond Size

Here you can see the actual size of a 5.75 carat Princess (9.87×9.87×7.11mm) as it would appear on a ring and finger. Adjust the ring and finger size to get an idea of how it would look on your finger. To choose another diamond or to change diamond parameters click here.
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Ring image
5.75ct Princess diamond of actual size
Ring width: 3.0 mm
Side view of Princess diamond Side view of a ring
Ring diameter: 16.9 mm
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Finger image
Ring image
5.75ct Princess diamond of actual size
64 mm
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Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
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To see how this 5.75 carat Princess (9.87×9.87×7.11mm) compares to other diamonds, click here.


Buying Guide: Princess cut

Princess cuts are more difficult to buy than Round Brilliants. Only AGS grades the cut quality of Princesses. Nevertheless, the table and depth percentages can give you a rough idea on the quality of the cut. Watch out for feather type corner inclusions as they increase the risk of chipping.

Best Value For Money Recommendation
For 5.75 carat Princess:
  • Color:
    • I if platinum/white gold solitaire setting
    • J if yellow gold solitaire setting
  • SI1 clarity
  • At least Good polish/symmetry
  • GIA or AGS report
  • If possible, "buy shy" [explain]
For best deals on 5.75ct Princess check the recommended online stores (all provide actual diamond images):
Look for:
  • Color: I or higher [depends on a setting]
  • Clarity: VS2, SI1 or better [explain]
  • Cut parameters:
    • Depth: 64% - 75%
    • Table: 60% - 75%
    • Polish/Symmetry: Good or better
    • Length-to-width ratio: 1.00 - 1.05
  • Diamonds certified by GIA or AGS [explain]
  • Eye-clean
Watch out for:
  • Feather type corner inclusions
  • Inclusions visible to the naked eye
  • Extremely thin or extremely thick girdle
  • Fair or Poor symmetry
  • Strong blue fluorescence [explain]
  • Diamonds without GIA or AGS certification [explain]
Where to buy?
Online-only stores will always offer better prices compared to bricks & mortar stores, their main drawback, however, is that you rarely get the opportunity to visually inspect the diamond before purchasing. Luckily, this is not always the case. A few reputable online retailers (see above) are now providing actual Hi-Res photos of the diamonds they're selling, making it easy and safe to shop online. For best value, buy online.

Note: Seeing a high quality photo of the actual diamond before purchasing online is a must. This goes especially for fancy shapes as the market is quite flooded with ugly looking stones.

Additional Diamond Info

Princess cut is a contemporary classic with excellent sparkle and brilliance. It's a modern cut (created in 1960s) and a great alternative to the traditional Round cut. Because Princesses allow very high yield from the rough, they cost less than equivalently graded Round Brilliants. Perfect for those who want square outline and maximum brilliance.

General size appearance:

Princess cuts typically look smaller when viewed from the top compared to other shapes of the same carat weight.
Shape: Princess
Also known as: Square Modified Brilliant
Cutting style: Modified brilliant
Facets: usually between 50 - 58
Signature shape characteristics: Square shape with pointed corners, high degree of light return
Carat weight: 5.75 ct
Gram weight: 1.15 g (0.0406 ounces)
Points: 575 pts
Measurements (L/W/D): 9.87 x 9.87 x 7.11 mm
Length: 9.87 mm
Width: 9.87 mm
Depth: 7.11 mm
Depth percentage: 72%
Recommended depth percentage: 64 - 75%
Length-to-width ratio: 1
Typical length-to-width ratio: between 1.00 and 1.05
Face-up area: 97.42 mm²
Face-up area per carat: 16.94 mm²/ct
Face-up size: Normal for 5.75 carat Princess
Volume: 326.7 mm³
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Depth percentage for 5.75 carat Princess (9.87×9.87×7.11mm)

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%, which is OK.

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

5.75 carat Princess (9.87×9.87×7.11mm) depth %:
Total depth: 7.11 mm
Width = 9.87 mm
Depth % = (7.11 ÷ 9.87 ) × 100 = 72%

About Depth Percentage
Depth percentage is one of the most important measurements as it plays a critical role in diamond's brilliance and 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.

Recommended depth percentage range for Princess cuts is between 64% and 75%. Diamonds that fall out of this range are generally less desirable and usually best to be avoided.


Face-up size evaluation for 5.75 carat Princess (9.87×9.87×7.11mm)

The face-up size of this 5.75 carat Princess (9.87×9.87×7.11mm) is within the normal range for 5.75ct diamonds of this shape. Compared to 5.75ct Princess reference diamond (see below), this diamond is of adequate size when viewed from the top.

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. You probably don't want a 5.75 carat Princess that looks like a poorly cut 5.18ct.

The bottom line: A diamond must look its weight. This one does.

5.75 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.
Parameters:
Weight: 5.75ct
Depth: 72%
L/W ratio: 1
 
Calculated values:
Length: 9.87 mm
Width: 9.87 mm
Depth: 7.11 mm
Face-up area: 97.42 mm²
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 For Princesses

Face-up area is a measure of the size of the diamond when viewed from above. 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 area at the girdle plane


For more info see carat weight vs 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 5.75ct Princess (9.87×9.87×7.11mm):
Top surface area = 97.42 mm²
Weight = 5.75ct

Face-up area per carat = 97.42 ÷ 5.75 = 16.94mm²/ct

Color Recommendation For 5.75ct Princess

Princess cuts show color slightly more than Round cuts, but not as much as step cuts. The choice of color also depends on a setting:

Solitaire Small side-stones Substantial side-stones
White gold/Platinum I+ H+ same as side-stones+
Yellow gold J+ I+ same as side-stones+
e.g. pave setting e.g. three-stone setting
Note: If side-stones are of any significant size (like in three-stone settings), you should at least match the color of the center stone with the color of the side stones, otherwise the center stone might look out of place (a bit "off-white").

For best value, go with the minimum recommended color for a particular type of setting. Color variations between I graded and higher colored Princess cuts are so slight that it's almost impossible to tell the difference, especially when diamonds are mounted. The difference in price, however, can be quite considerable.


Clarity Recommendation For 5.75ct Princess

Princess cuts are not as good at masking inclusions as Round Brilliants, but still much better than step cuts. The recommended clarity for Princesses is VS2 or SI1.

Note: You can always go lower in clarity, but it's going to get increasingly difficult to find an eye-clean Princess below the minimum recommended SI1 grade.

For best value, go with the lowest clarity possible that is still eye-clean. If a diamond is eye-clean, it doesn't matter, if it's flawless or SI1. It will look the same, provided all other characteristics are the same.
About Diamond Clarity
Diamond clarity refers to the presence and visual appearance of the flaws inside a diamond (called inclusions) or on its surface (called blemishes). Clarity tells you to what degree these imperfections are present.

The amount of inclusions and blemishes is directly correlated to a diamond's value. Fewer imperfections mean higher price and vice versa.

Gemological laboratories grade diamond clarity as Flawless (FL), Internally Flawless (IF), Very Very Slightly Included (VVS1,VVS2), Very Slightly Included (VS1,VS2), Slightly Included (SI1,SI2), and Included (I1,I2,I3).


GIA and AGS Certified Diamonds

Professional and unbiased assessment of diamond characteristics is stated on a diamond grading report, commonly referred to as a certificate. Certificate, while not 100% reliable, is essential in determining a diamond's value.

The standard for diamond grading is pretty much set by GIA - Gemological Institute of America. They are the most reputable and consistent lab in the industry. AGS (American Gemological Society) is not far behind.

If a diamond is not certified by GIA or AGS, you can be pretty much certain that you are looking at lesser quality than indicated. This puts you in a bad position of not knowing the true diamond characteristics, which almost always results in overpaying. That is why a certificate from a well-respected grading lab is so important.

The bottom line: Make sure to always buy a diamond certified by either GIA or AGS. That's the only way of truly getting the quality you expect.


Diamonds with Blue Fluorescence

Blue fluorescence can have a positive, negative, or zero effect on a diamond. Diamonds in the lower color range (H or lower) can benefit from it, as it can make them look whiter, more colorless. On the other hand, strong fluorescence can cause a stone (especially in the higher color range D-G) to appear hazy or milky under certain light conditions. One of the biggest benefits of fluorescent diamonds is that they generally cost less.

GIA grades fluorescence as None, Faint, Medium, Strong, and Very Strong.

Faint fluorescence will have zero effect on color and overall appearance. Fluorescence of this type is not an issue and shouldn't be a purchasing factor.

Medium fluorescence will in most cases have zero to very small influence on color and overall appearance, however, colorless diamonds can sometimes exhibit negative effects and should be examined in different light conditions before purchasing.

Strong/Very Strong fluorescence requires caution. Generally, it's not a good idea to buy a colorless diamond with Strong/Very Strong fluorescence. As for lower color diamonds, even they can sometimes look hazy with strong fluorescence, so never buy a stone with this type of fluorescence without careful visual inspection.

If you're interested in fluorescent diamonds that have been carefully examined and do not display any negative effects of fluorescence, I recommend Brian Gavin's Blue Diamonds. Those are definitely top of the line and a great value.


Diamonds Without GIA or AGS Certificates

The problem with diamond grading labs other than GIA or AGS is that they are looser and more inconsistent in their grading standards. A GIA color H is an IGI color G and an EGL/HRD color F. The same goes for clarity.

While it's true that IGI, EGL, and HRD diamonds are sold at a discount, you can be certain that the same stones would cost less, if they would be certified by GIA or AGS. Why? Because they would get lower grades and thus lower price. Lower than discounted IGI, EGL, and HRD stones with higher grades.

Diamond merchants use IGI, EGL, HRD, and alike to maximize their profits. They know they can sell diamonds with inflated grades for more, even if they're sold at a substantial discounts. Some merchants also use their in-house certification, usually for the sole purpose of increasing their profits. These kinds of certificates are meaningless.
The bottom line: If you don't want to overpay and want to know exactly what kind of quality you're getting, then avoid diamonds without GIA or AGS certification.


Buying shy

Buying shy means choosing a diamond that falls just under the full-carat or half-carat mark. So instead of 1ct stone you go for 0.94ct; instead of 1.5ct you go for 1.4ct, and so on.

Because diamond prices jump dramatically at full-carat and half-carat weights, you can save a considerable amount of money when buying shy. Going up to 10% down in weight will result in a slight difference in size, but so slight it'll never be noticed. To check this for yourself, use this site to compare different sizes.

Why buy shy? To save money.

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