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July 14th 2022

The Marquise Cut Diamond Guide

By Devin Jones

Marquise Cut Diamonds

The marquise cut diamond is one of the most exotic diamond shapes, featuring curved edges that meet at sharp points. The shape resembles an elongated American football or an abstract sketch of a human eye. Due to their unique design, marquise cut diamonds have by far the longest length to width ratio of any diamond shape, with an average length to 1.95, far exceeding the next longest length to width ratio (pear shape diamonds).

average length to width ratio by diamond shape

The elongated shape of a marquise cut diamond can make fingers appear slimmer and longer, but it doesn't make for a popular choice as an engagement ring diamond. Marquise cut diamonds are the 2nd least popular diamond shape ahead of only Asscher cut diamonds.

Brides who do opt for this shape are use to get a unique piece that draws attention. A marquise cut diamond is typically set north-to-south in an engagement ring setting with a prong covering both pointed ends to help protect them from accidental knocking. Notice how incredibly different the settings look with nearly the exact same diamond carat weight in the center.

marquise cut diamond engagement ring east to west marquise cut diamond engagement ring north to south

Click for more details on these east-to-west (first image) and north-to-south (second image) marquise cut diamond engagement rings

Pros & Cons of Marquise Cut Diamonds

Marquise cut diamonds are beautiful & unique, but there isn't a huge selection to choose from due to their lower popularity.

Marquise Cut Pros

Marquise Cut Cons

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Ideal Proportions for Marquise Cut Diamonds

Marquise cut diamonds do not have a specific set of angles and dimensions that grading agencies agree upon for optimizing light performance, so they do not receive cut grades like round diamonds do. By studying all available marquise cut diamonds we can determine which dimensions are the most popular and thus the most preferred by diamond cutters and shoppers alike.

Marquise Cut Length to Width Ratio

The most popular length to width ratio for marquise cut diamonds is 1.90, with most marquise cut diamonds falling between 1.75 and 2.20.

ideal length to width ratio for marquise cut diamonds

Marquise Cut Depth Percentage

The most popular depth percentage for marquise cut diamonds is 63.1% with the majority of diamonds falling between 58% - 65%. The steeper drop off in popularity after 63.5% reflects consumers desire diamonds cut too deep, as these tend to look smaller when viewed from above.

marquise cut diamond ideal depth percentage

Marquise Cut Table Percentage

The most popular table percentage for marquise cut diamonds is 60%. The majority of marquise cut diamonds have table percentages between 56% - 62%.

ideal table percentage for marquise cut diamonds

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Marquise Cut Diamond Prices

Marquise cut diamonds are the most expensive fancy shaped diamond and the second most expensive of all diamond shapes, behind only round cut diamonds. Below is a table of diamond prices for 2 carat G color VS2 clarity diamonds of various shapes.

Shape Popularity Price Price Per Carat
Round 55% $31,153 $15,577
Oval 16% $22,846 $11,423
Cushion 9% $20,280 $10,140
Radiant 6% $23,013 $11,507
Emerald 6% $22,534 $11,267
Pear 4% $25,476 $12,738
Princess 3% $20,630 $10,315
Heart 1% $20,887 $10,444
Marquise 1% $26,499 $13,250
Asscher 1% $21,817 $10,909

The current prices of marquise cut diamonds are shown below for various carat weights. All prices are G color, VS2 clarity marquise cut diamonds.

Carat Price Price Per Carat
0.5 $1,526 $3,052
1 $6,055 $6,055
2 $26,499 $13,250
3 $45,035 $15,012

See marquise cut diamond prices

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