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Princess Cut Diamonds


The Princess Cut is relatively new and has quickly become one of the most popular of the fancy shaped diamonds, due to its very attractive cut. Its beautiful brilliance and unique cut makes it a favourite for engagement rings. The princess has pointed corners and is traditionally square in shape. Some people like the Princess because it is square or rectangular and yet has much of the sparkle of a Round Brilliant Cut. The proportions are considered better the more square the stone is cut, with exact 90 degree internal angle on each corner.
Princess Cut Diamond
Princess

How many facets?

  • The Princess Cut generally has either 50 facets (21 crown, 4 girdle, 25 pavilion) or 58 facets (21 crown, 4 girdle, 33 pavilion), depending on how the pavilion is cut.

What are the origins of the Princess Cut?

  • According to Harold Newman's "Illustrated Dictionary of Jewellery", the term Princess Cut was previously applied to what is now known as the "Profile Cut" developed by Arpad Nagy of London in 1961.
  • The Princess Cut was designed for weight retention of octahedral Diamond crystals, helping to create more attractive Diamonds at more reasonable prices.
  • The Barion Cut was the forerunner of the Princess Cut and was invented about 30 years ago by Basil Watermeyer of Johannesburg. The Barion Cut has been the subject of patents that have expired within the past ten years and this has led to the greater availability of similarly cut gemstones. The style now known as the "Princess Cut" has become a generic style of cutting.

What does it look like?

  • The Princess Cut, technically known as "Square Modified Brilliant Cut", is a square version of the Round Brilliant Cut with numerous sparkling facets.
  • The optimal ratio of length to width is 1:1, although a length-to-width ratio between 1:1 and 1.4:1 is perfectly acceptable.
  • Depth percentages of 70% to 78% are not uncommon.
  • The Princess Cut is a "Brilliant Style" shape with sharp, uncut corners. The "Brilliant Style" refers to the vertical direction of the crown and pavilion facets.

What works best for Princess Cut?

  • It is a relatively new cut and often finds its way into solitaire engagement rings. Flattering to a hand with long fingers, it is often embellished with triangular stones at its sides. Because of its design, this cut requires more weight to be directed toward the gem's depth in order to maximize brilliance.
  • Because of the extra faceting, and the effects it produces, Princess Cuts are naturally more brilliant and sparkly.
  • The princess cut tends to be the smallest of the shapes for the same carat weight since the cut is basically an upside down pyramid with most of the carat weight in the pavilion or bottom of the stone.

The Princess Cut Diamond is a brilliant shape with sharp, uncut corners. It is typically cut square rather than a rectangle. Brilliant style refers to vertical direction crown and pavilion facets instead of step style horizontal facets. A princess Cut Diamond generally has near the brilliance and fire than the round brilliant. The Princess Cut diamond is fast becoming one of the most popular cuts.

The Quality Diamonds Basic Grading Chart has been used to determine the quality of individual stones we sell on this website, using Table and Depth percentages to give a general guide to a stones quality. We have used this simplified method to assist customers who prefer not to delve into very specific details, after all, if you are not completely satisfied with your purchase, you have the right to a full refund, or to exchange your diamond for 30 days.

Quality Diamonds Basic Grading Chart

Ideal

Premium

Excellent

Very Good

Good

Fair

Poor

Table %

62.0%-68.0%

60.0%-72.0%

59.0%-74.0%

58.0%-78.0%

56.0%-82.0%

53.0%-85.0%

50.0%-88.0%

<50.0%
>88.0%

Total Depth %

64.0%-75.0%

58.0%-80.0%

57.0%-83.0%

56.0%-84.0%

53.0%-85.0%

<53.0%
>85.0%

The Full Grading Chart is the recognised chart for grading diamonds right down to the finest detail. This chart is intended for the true perfectionist and as such, you may want to call us on 0800 612 1017 to talk to a diamond expert to ensure you are getting exactly what you require.

Full Grading Chart

Ideal

Premium

Excellent

Very Good

Good

Fair

Poor

Table %

62.0%-68.0%

60.0%-72.0%

59.0%-74.0%

58.0%-78.0%

56.0%-82.0%

53.0%-85.0%

50.0%-88.0%

<50.0%
>88.0%

Crown Height %

10.0%-15.0%

8.5%-16.0%

8.0%-16.9%

6.0%-18.0%

5.0%-19.0%

4.0%-19.9%

3.0%-20.9%

<3.0%
>21.0%

Girdle Thickness

Very thin to Slightly thick
Or
Thin to Thick

Very thin to Thick

Very thin to Very thick

Extremely thin to Extremely thick

Total Depth %

64.0%-75.0%

58.0%-80.0%

57.0%-83.0%

56.0%-84.0%

53.0%-85.0%

<53.0%
>85.0%

Polish / Symmetry

Good to Excellent

Fair to Good

Poor to Fair

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