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Diamond Basics

Princess Cut Diamonds Explained

The princess cut is a square modified brilliant prized for its sharp corners and efficient use of rough diamond.

Shape and facet structure

A princess cut typically has 57 to 76 facets arranged in a square or rectangular outline with pointed, unprotected corners. It yields more carat weight from rough than a round brilliant, which can make it better value per carat.

No formal cut grade

GIA does not assign an overall cut grade to princess cuts; judge light performance visually and rely on polish and symmetry grades plus table and depth percentages as guides.

Setting considerations

The pointed corners are vulnerable to chipping, so a four-prong setting that protects each corner is strongly recommended for everyday wear.

Buyer checklist

  • ✓ Ask whether prongs protect all four corners
  • ✓ Check table and depth percentage ranges for brightness
  • ✓ Compare polish and symmetry grades since no overall cut grade exists

Verification tools & references

Every Riakoob piece arrives certified, insured and covered by our 12-month value promise.

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