Cushion Cut vs Radiant Cut Lab Grown Diamonds - Variation
Shape Comparison

Cushion vs Radiant

Both brilliant.
Both rectangular. But very different in feel.

The Cushion and the Radiant are often compared because they share a similar outline and both deliver exceptional brilliance. The difference is in the corners, the character, and the visual warmth each shape brings to the finger.

Lab Grown Diamonds IGI Certified Expert Guide
Cushion Cut Diamond
Cushion Cut
The soft brilliant square
Radiant Cut Diamond
Radiant Cut
The brilliant rectangle
Shape One
Cushion Cut

The Cushion Cut is a brilliant cut with a square or rectangular outline and distinctively rounded corners — the softness that gives it its name. It has been a beloved shape for over two centuries, originally known as the "mine cut," and has seen a remarkable resurgence in popularity over the past two decades.

The Cushion's rounded corners give it a softer, more romantic feel than the sharper geometry of the Radiant. Its larger facets also produce a distinctive chunky sparkle pattern — broader flashes of light rather than the fine, dense sparkle of a modern brilliant. It is a shape that feels warm, vintage, and deeply romantic.

Outline
Square or rectangular with fully rounded corners
Facet Style
Brilliant cut — larger facets producing broad, chunky sparkle
Character
Soft, romantic, vintage — warm and deeply feminine
Colour Sensitivity
Moderate — larger facets can show colour more than smaller facets
Finger Effect
Neutral to slightly elongating depending on length-to-width ratio
Best For
Those drawn to vintage, romantic aesthetics and softer silhouettes
Browse Cushion Cut Collection
Shape Two
Radiant Cut

The Radiant Cut is a hybrid brilliant with a rectangular or square outline and cut corners rather than the Cushion's fully rounded ones. Created in 1977, it was the first non-round shape to feature a brilliant facet pattern on both the crown and the pavilion — giving it exceptional fire and sparkle.

The Radiant's cut corners and brilliant facet structure make it feel more geometric and precise than the Cushion. It delivers dense, fine sparkle rather than the broader flashes of the Cushion, and its sharper outline gives it a more contemporary, architectural character.

Outline
Rectangular or square with cut (trimmed) corners
Facet Style
Brilliant cut — 70 facets producing fine, dense sparkle
Character
Geometric, precise, modern — lively and versatile
Colour Sensitivity
Moderate — brilliant facets conceal colour well across most grades
Finger Effect
Elongating when rectangular; neutral when square
Best For
Those who want maximum sparkle in a clean geometric outline
Browse Radiant Cut Collection
Side by Side

Cushion vs Radiant — compared directly.

Every key characteristic, evaluated honestly. Use this to identify which shape aligns with what matters most to you.

Cushion Cut Radiant Cut
Corner Style Fully rounded — soft, cushion-like silhouette Cut corners — more geometric and precise
Sparkle Pattern Broader, chunkier flashes — the "crushed ice" or classic cushion pattern Fine, dense sparkle — closer to a round brilliant in character
Character Romantic, vintage, warm Modern, precise, versatile
Colour Masking Moderate — choose G or better for larger stones Good — brilliant facets mask colour effectively
Clarity Masking Good — chunky facets conceal inclusions well Very good — dense facets conceal inclusions effectively
Price Per Carat Comparable to Radiant for equivalent grades Comparable to Cushion — slight premium in some grades
Finger Effect Neutral to slightly elongating Elongating when rectangular
Setting Versatility Excellent — works beautifully in vintage and modern settings Excellent — works in virtually any setting type
Timelessness Centuries of heritage — one of the most enduring shapes Modern classic since 1977 — widely loved
Ideal L/W Ratio 1.00:1 to 1.10:1 for square; up to 1.30:1 for elongated 1.00:1 for square; 1.15:1 to 1.35:1 for elongated
Choose the Cushion Cut if...
You want romance and heritage in a brilliant cut.
You love the romantic, vintage character of a shape with centuries of history
You prefer soft, rounded silhouettes over sharp geometric outlines
You want a shape with a distinctive, warm sparkle pattern unlike a round brilliant
You are drawn to a shape that feels feminine and classic rather than architectural
You want a versatile shape that works in both vintage-inspired and contemporary settings
You are buying for someone who appreciates heritage and romantic aesthetics
Shop Cushion Cut Diamonds
Choose the Radiant Cut if...
You want geometric precision with maximum sparkle.
You want the geometric outline of a rectangular shape with the finest possible sparkle
You prefer a modern, precise silhouette over a softer, more romantic outline
You want maximum colour and clarity masking for the best value at your budget
You love a lively, dense sparkle pattern rather than broader, chunkier flashes
You want a shape that feels contemporary and architectural
You are drawn to a diamond that balances geometric precision with brilliant fire
Shop Radiant Cut Diamonds
The Verdict

There is no wrong choice — only the right one for you.

The Cushion and Radiant share brilliant-cut DNA but express it very differently. The choice is really a question of character: warm and romantic, or modern and precise.

Choose Cushion if
Romance and heritage speak to you
You want a shape with centuries of history, soft rounded corners, and a warm, distinctive sparkle pattern that stands apart from the precision geometry of modern brilliant cuts.
Choose Radiant if
Modern precision and dense sparkle win
You want the geometric clarity of trimmed corners, the finest possible sparkle from a rectangular shape, and a versatile, contemporary diamond that performs brilliantly in any setting.
Frequently Asked

Questions about Cushion vs Radiant.

The most common questions we hear when customers are choosing between these two shapes. Still unsure? Talk to us directly.

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What is the difference between a Cushion and a Radiant cut?
The most visible difference is the corners: the Cushion has fully rounded corners giving it a soft, pillow-like outline, while the Radiant has cut (trimmed) corners giving it a more geometric, octagonal-ish look. Both are brilliant cuts, but the Cushion typically has larger facets producing broader sparkle, while the Radiant has 70 smaller facets producing finer, denser fire.
Which has better sparkle — Cushion or Radiant?
Both are exceptional brilliant cuts. The Radiant's 70-facet structure produces finer, denser sparkle that is closer to a round brilliant. The Cushion produces broader, chunkier flashes — sometimes called the "crushed ice" effect in modified cushion cuts. Neither is objectively superior; it depends on which sparkle pattern you prefer.
Is the Cushion cut more vintage than the Radiant?
Yes — significantly. The Cushion cut's origins go back over 200 years, and it was the dominant diamond shape in the 19th and early 20th centuries. The Radiant was created in 1977. If vintage or antique-inspired aesthetics matter to you, the Cushion has incomparably deeper heritage.
Which is better for a square shape?
Both work beautifully as square stones. For a square Cushion, look for a length-to-width ratio between 1.00:1 and 1.05:1. For a square Radiant, the same range applies. The difference will be the corner style and sparkle character rather than the overall shape.
Do Cushion cuts show colour more than Radiant cuts?
Cushion cuts can show colour slightly more than Radiant cuts because their larger facets reflect colour differently than the Radiant's smaller, denser facets. For both shapes, G or H colour is a practical sweet spot — eye-white in most settings at a significant saving over D–F grades.
Which setting works best for each shape?
The Cushion works beautifully in vintage-inspired settings — halo designs, milgrain details, split shanks — as well as simple modern solitaires. Its rounded corners make it safe in prong settings. The Radiant's cut corners and geometric precision suit clean, contemporary settings particularly well, though it too works in almost any style.
Ready to Choose?

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