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Cushion vs Princess Cut Diamonds

The two budget-friendly squares: one soft and romantic, one sharp and modern. Same general footprint, completely different personality — and one hidden durability issue to know about.

Updated November 2026

Quick verdict

Cushion for a soft, vintage, pillowy look. Princess for crisp, contemporary geometry. Both cost dramatically less per carat than rounds, which is why they're the value shopper's squares. The practical tiebreaker: a princess cut's four sharp corners are its weak points — they can chip and must sit in a protective setting — while a cushion's rounded corners shrug off daily life.

The head-to-head

CushionPrincess
SilhouetteRounded-corner square/rect — a pillowSharp 90° corners — a true square
Sparkle styleBig soft flashes of fire (rainbow light)Intense white glitter, edge to edge
VibeRomantic, vintage, candlelightModern, geometric, clean lines
Price per carat~25–35% below round ValueOften the cheapest brilliant shape of all Value
DurabilityRounded corners — nothing to chip WinnerCorners vulnerable; needs V-prongs or bezel
Face-up sizeRuns small for its carat (deep cut)Also runs slightly small, edge-to-edge sparkle compensates
Hides inclusionsVery well — "crushed ice" versions especially WinnerWell in the body, poorly at corners
ConsistencyHuge variation stone to stone — must view videoMore uniform look across stones Winner

The cushion wildcard: chunky vs crushed ice

"Cushion cut" is really two different looks sharing a name. Chunky cushions have large, readable facets that flash like a round — pattern-lovers want these. Crushed-ice cushions sparkle like a windshield after an unfortunate incident: thousands of tiny glints with no pattern. Crushed ice hides inclusions brilliantly and costs less, but some people find it "soapy." Neither is wrong; just know which one you're looking at on the video before you buy.

The princess corner problem (and the easy fix)

A princess cut concentrates stress at four pointed corners, which is exactly where a diamond can chip if it smacks a granite countertop at the wrong angle. The fix is standard and cheap: V-shaped prongs that cup each corner, or a bezel or halo setting that wraps the whole stone. Any competent jeweler does this by default — but if you're buying a preset ring, check.

Inclusion placement tip for princess cuts: read the certificate's plot or the video and avoid stones with inclusions at the corners — a corner inclusion is both more visible and a structural weak point. Mid-body inclusions hide in the glitter.

Who should pick which

Which looks bigger, cushion or princess?

Princess, slightly — its corners stretch the visual footprint, while cushions carry weight in their depth. Both trail an oval or pear of equal carat. See carat sizes compared.

Is princess cut going out of style?

It peaked in the 2000s and reads a bit "of that era" to trend-watchers, while cushions are riding the vintage revival. But a well-set princess is a clean, sharp look — style cycles come back around, and the discount is real right now.

Where we'd actually shop

The retailers worth your time for this decision:

James Allen

360° HD video of every single stone, so you can inspect the exact diamond — inclusions and all — before you buy.

Visit James Allen →

Blue Nile

Massive inventory of GIA-graded natural diamonds and frequent sitewide sales. The default place to start a search.

Visit Blue Nile →

With Clarity

Lab and natural diamonds, plus a free home-preview program that ships replica rings to try before you commit.

Visit With Clarity →

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