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Princess Cut Diamond Size Chart

Access our Princess Cut Diamond Size Chart to explore the relationship between carat weight and size, ensuring an informed decision for your diamond selection.

Princess MM SizePrincess Carat Weight
3.25 mm0.25 ct
4.5 mm0.50 ct
5 mm0.75 ct
5.5 mm1.00 ct
6 mm1.25 ct
6.5 mm1.50 ct
6.75 mm1.75 ct
7 mm2.00 ct
7.5 mm2.50 ct
8 mm3.00 ct
8.5 mm3.50 ct
8.75 mm4.00 ct
9.25 mm4.50 ct
9.5 mm5.00 ct
princess cut diamonds size chart
Princess MM SizePrincess Carat Weight
1.5 mm0.015 ct
1.75 mm0.03 ct
2 mm0.06 ct
2.25 mm0.08 ct
2.5 mm0.10 ct
2.75 mm0.13 ct
3 mm0.18 ct
3.25 mm0.25 ct
3.5 mm0.29 ct
3.75 mm0.31 ct
4 mm0.39 ct
4.25 mm0.44 ct
4.5 mm0.50 ct
4.75 mm0.64 ct
5 mm0.75 ct
5.25 mm0.90 ct
5.5 mm1.00 ct
5.75 mm1.11 ct
6 mm1.25 ct
6.25 mm1.39 ct
Princess MM SizePrincess Carat Weight
6.5 mm1.50 ct
6.75 mm1.75 ct
7 mm2.00 ct
7.25 mm2.01 ct
7.5 mm2.50 ct
7.75 mm2.74 ct
8 mm3.00 ct
8.25 mm3.24 ct
8.5 mm3.50 ct
8.75 mm4.00 ct
9.25 mm4.50 ct
9.5 mm5.00 ct
9.75 mm5.36 ct
10 mm5.62 ct
10.25 mm5.76 ct
10.5 mm5.99 ct
11 mm7.44 ct
11.5 mm9.44 ct
12 mm9.52 ct

Diamond Size Charts By Shape

Explore our comprehensive Diamond Size Charts by Shape to find the perfect fit for your jewelry designs

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Round Diamond Size Chart

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Princess Diamond Size Chart

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Cushion Diamond Size Chart

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Oval Diamond Size Chart

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Emerald Diamond Size Chart

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Pear Diamond Size Chart

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Heart Diamond Size Chart

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Marquise Diamond Size Chart

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Asscher Diamond Size Chart

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Radiant Diamond Size Chart

Diamonds Education | princess cut diamond size chart

Diamonds Education Guide

Learn about diamonds and discover the 4C’s, diamond grading, and certifications to help you pick the perfect diamond.

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Size Chart GUIDES

Princess Cut Diamond Size Chart

Princess Diamonds carat size chart in mm

Princess cut, the name itself defines the sumptuous and majestic design this cut is famous for. Since the 1960s, Princess cut diamond have prevailed till today. It became popular and acceptable by people in a short time for an engagement ring and anniversary ring because of its unique and adorable shape with its 76 facets, which makes it more charming than a round brilliant cut diamond. It is technically known as the ‘Square modified-brilliant cut’ as it is considered a square version of the traditional round brilliant cut. However, because of its beautiful and royal look, the name changed in 1980 to the princess cut. 

Apart from showing its significance on a diamond engagement ring, the princess cut diamond necklace is grasping the attention of many fashion bloggers as it suits every dress and rocks every style.
If you are a fan of Kate Bosworth, Emily Ratajkowski, or Ali Larter, you should definitely style yourself with a princess cut diamond. Even the Queen of Denmark, Margrethe II, couldn’t resist the magic of a princess cut diamond in her ring!

A princess-cut diamond is cast in a prong setting for the best and outstanding outlook because it has four corners. If you are searching for the best alternative option of a round cut diamond ring for your engagement, then you must head for a princess cut solitaire ring.

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  • About us
  • Services
    • Lab Grown Diamonds
    • Custom Jewelry
    • Jewelry Rendering
    • Custom Cut Diamonds
    • Fancy Color Diamonds
    • GCAL 8X Lab Grown Diamonds
  • Diamond Guide
    • The 4Cs of Diamond
    • Lab Grown Diamonds
    • Natural vs Lab Diamonds
    • Fancy Color Diamonds
    • CVD Diamonds
    • Diamond Size Charts
  • Contact