Elongated Cushion Cut Diamonds

Elongated cushion cut diamonds keep the soft corners of the cushion in a longer, rectangular outline. Every stone below has a length-to-width ratio of 1.15 or more, and a real photo so you can see its shape. Buy a loose elongated cushion diamond on its own, or have it set to order in our workshop.
CUSHION 0.57 cts.
Sparkle Factor: 85 %
Colour: D - Colourless
Clarity: SI1 - Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9678242558
CUSHION 0.43 cts.
Sparkle Factor: 85 %
Colour: F - Colourless
Clarity: VS2 - Very Slightly Included
Cut: Fancy
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9473215155
CUSHION 0.51 cts.
Sparkle Factor: 86 %
Colour: D - Colourless
Clarity: VS2 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9678688374
CUSHION 0.49 cts.
Sparkle Factor: 91 %
Colour: D - Colourless
Clarity: VVS2 - Very Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Excellent
Fluorescence: None
Diamond ID: 9573434806
CUSHION 0.4 cts.
Sparkle Factor: 86 %
Colour: D - Colourless
Clarity: VS2 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9376672099
CUSHION 0.41 cts.
Sparkle Factor: 88 %
Colour: D - Colourless
Clarity: VS1 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9471529566
CUSHION 0.49 cts.
Sparkle Factor: 86 %
Colour: D - Colourless
Clarity: VS2 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9472342469
CUSHION 0.42 cts.
Sparkle Factor: 82 %
Colour: E - Colourless
Clarity: VVS2 - Very Very Slightly Included
Cut: Fancy
Polish: Good
Symmetry: Good
Fluorescence: None
Diamond ID: 9476671931
CUSHION 0.51 cts.
Sparkle Factor: 90 %
Colour: D - Colourless
Clarity: VS2 - Very Slightly Included
Cut: Fancy
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 9571522551
CUSHION 0.51 cts.
Sparkle Factor: 82 %
Colour: E - Colourless
Clarity: VS2 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Good
Fluorescence: None
Diamond ID: 9576671960
CUSHION 0.41 cts.
Sparkle Factor: 86 %
Colour: E - Colourless
Clarity: VS1 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9375783406
CUSHION 0.47 cts.
Sparkle Factor: 85 %
Colour: F - Colourless
Clarity: VS1 - Very Slightly Included
Cut: Fancy
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 9375859188
What is an elongated cushion cut diamond?
An elongated cushion is a cushion cut stretched into a gentle rectangle, with rounded corners, curved sides and large brilliant facets. The longer outline looks larger for its carat weight than a square cushion and lengthens the look of the finger, which has made it one of the most requested shapes for engagement rings.
How to choose an elongated cushion
Choosing the ratio
The ratio is the diamond's length divided by its width, from the certificate measurements. Between 1.15 and 1.25 gives a subtle, softly rectangular look; 1.25 to 1.35 is the most popular, clearly elongated range; above 1.40 the stone becomes long and slim. Every stone here is shown with its own photo, because two cushions with the same ratio can still look quite different.
Colour and clarity
Colour can gather slightly at the ends of a longer stone, so G or H is a good choice in white metal. VS2 or SI1 clarity is usually clean to the eye.
Elongated cushion vs oval and radiant
An oval has no corners and the most sparkle of the three. An elongated radiant has straight, trimmed corners and a crisp, modern look. The elongated cushion sits between them, with soft corners and a warm, vintage sparkle.
Popular Elongated Cushion diamond sizes
Most of our customers choose between 1 and 3 carats. Start with one of these sizes, or use the carat filter above for anything else:
- 1 carat elongated cushion diamonds: natural or lab grown
- 1.5 carat elongated cushion diamonds: natural or lab grown
- 2 carat elongated cushion diamonds: natural or lab grown
- 3 carat elongated cushion diamonds: natural or lab grown
- 5 carat elongated cushion diamonds: natural or lab grown
Setting your elongated cushion diamond
An elongated cushion suits four claws, a hidden halo or a three-stone ring, set north to south or east to west. Every ring is made to order in our Bourton-on-the-Water workshop and hallmarked in the UK. Browse our cushion cut engagement rings, or design your own around the diamond you choose here.
You can also build a ring in 3D with Ring Maker, starting with a cushion cut diamond, or see the shape in cushion cut diamond earrings and cushion cut diamond pendants.
Elongated Cushion Cut Diamonds: your questions answered
What ratio is an elongated cushion cut diamond?
1.15 or more. Between 1.25 and 1.35 is the most popular range; higher ratios give a longer, slimmer stone.
Does an elongated cushion look bigger than a square cushion?
Yes. Its longer outline shows more of the stone from above, so it looks larger than a square cushion of the same carat weight.
Is an elongated cushion the same as an oval?
No. An oval has no corners and a smooth outline; an elongated cushion has softly rounded corners and slightly curved sides.
Why does every diamond on this page have a photo?
Elongated cushions vary in shape even at the same ratio, so we only list stones with a real photo, letting you see exactly what you are buying.
Can I buy a loose elongated cushion diamond?
Yes. Every diamond on this page can be bought loose, with its grading certificate: choose Buy the Diamond on the stone you like, and it is usually delivered in 7 to 10 days. Or choose Add Jewellery to have it set in a ring, earrings or a pendant, made to order in our Bourton-on-the-Water workshop and hallmarked in the UK.