Elongated Cushion Cut Engagement Rings

Elongated Cushion Cut Engagement Rings offer a refined variation on the classic cushion cut, featuring softly rounded corners and a rectangular silhouette with 58 brilliant-cut facets that deliver remarkable fire and scintillation. Combining vintage romance with the slimming proportions of an elongated shape, the elongated cushion cut diamond is an elegant choice for solitaire, halo, and three-stone engagement ring settings.

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Our Philosophy of Fine Jewelry

Made to order

Made to order, made for you

Every piece is crafted only after you order it. Less waste, no inflated retail markup, and a fair price that reflects the work, not the showroom.

Personalization without the guesswork

Personalization without guesswork

Stone, setting, metal, size — every choice is yours, and every combination is possible. No upsells, no hidden upgrades, no surprises at checkout.

Certified quality, fully documented

Certified quality, fully documented

Every lab grown diamond we sell comes with an IGI grading report — the same certification standard used by major jewelers worldwide. Verified specs, verified ethics, verified value.

Real advice from real makers

Real advice from real makers

Not sure between oval and round? Worried about finger size? Reach out anytime. You'll talk to the people who actually craft your ring — not a sales floor on commission.

Elongated Cushion Cut Engagement Rings

The Shape That Lives Between Two Others — Anatomy of an Elongated Cushion Cut Diamond

The elongated cushion cut occupies a specific position on the diamond shape spectrum, more rectangular than a standard cushion, softer than an oval, and possessing a distinct visual identity that is neither fully one nor the other. It is defined by a length-to-width ratio above 1.20, with the most recognisable elongated cushion silhouette sitting between 1.20 and 1.35. Below 1.20, the stone reads as a standard cushion with mild elongation.

Above 1.40, the rounded corners begin to compress visually at a distance, and the stone can read as an oval to anyone who is not looking for a characteristic worth knowing if the specific elongated cushion identity matters to the recipient. The rounded corners are the shape's distinguishing feature relative to the oval: where the oval has a continuous, uninterrupted curved outline, the elongated cushion has a subtly squared underlying geometry with corners that are rounded rather than absent.

The faceting is brilliant throughout the same modified or antique cushion variants available in square cushion apply here, with the modified cushion producing brighter, crushed-ice sparkle and the antique cushion producing the deeper, larger-flash glow. The elongation amplifies the face-up area advantage that the cushion already holds over the round, producing one of the largest visual footprints per carat available in the soft-brilliant category.

Soft Light, Generous Size — How Elongated Cushion Cut Engagement Rings Wear

Elongated cushion wears well for daily use. Rounded corners eliminate the chip risk of princess; no pointed tips introduce the vulnerability of oval or pear, and the soft brilliant faceting is among the most forgiving on inclusions and color in the entire catalog. A slight bow-tie effect is possible in an elongated cushion, particularly at higher L/W ratios above 1.35, where the elongated middle facets begin to behave more like ovals. Still, the effect is generally less pronounced than in an oval or pear because a cushion's rounded corner geometry distributes light more evenly across the elongated outline.

It is worth requesting a 360° video for any elongated cushion at L/W 1.35 or above, where bow-tie risk increases meaningfully. One practical consideration worth noting directly: an elongated cushion is a less common shape than round, oval, or standard cushion, which means the range of pre-designed settings available for it is narrower. Not every setting style designed for an oval will accommodate an elongated cushion without modification, because the two shapes share similar dimensions at some L/W ratios but differ in the geometry of the corner area where prongs are placed.

Frequently Asked Questions

What is an elongated cushion cut engagement ring?

An elongated cushion cut engagement ring features a diamond with a rectangular outline, rounded corners, and brilliant faceting, with a length-to-width ratio above 1.20 that stretches the standard square cushion silhouette into a more elongated shape. It occupies the visual space between a standard cushion and an oval: more rounded and softer than an oval, more elongated than a square cushion. The soft, brilliant faceting produces a warm, romantic light return distinct from the oval's crisper brilliance.

Elongated cushion cut vs oval — which should I choose?

The core difference is corner geometry and light character. An oval has a continuous curved outline with no corners. Its brilliant faceting produces crisp, high-contrast sparkle and a clearly defined elongated silhouette at most L/W ratios. Elongated cushion has rounded corners that produce a subtly squared underlying geometry, and its faceting produces a softer, warmer, more diffused light return than an oval. If you want crisp, high-intensity, elongated brilliance, oval. If you want the elongated outline with a softer, more romantic light character and rounded corners that read as gentler on the eye, elongated cushion. At L/W ratios above 1.40, the two shapes begin to look similar from a distance; if the distinction matters, stay below 1.35 for an elongated cushion.

What L/W ratio is best for an elongated cushion cut?

The most balanced elongated cushion silhouette sits between 1.30 and 1.35, elongated enough to show the shape's characteristic finger-flattering effect, rounded enough to retain the cushion's distinctive corner geometry rather than collapsing toward an oval. Below 1.20, the stone reads as a standard cushion with mild elongation rather than a true elongated cushion. Above 1.40, the rounded corners begin to compress at a distance, and the stone can read as oval to non-experts. If the elongated cushion identity is important to the recipient, 1.25–1.35 is the most reliable range to stay within.

What is a cushion cut solitaire engagement ring?

A cushion cut solitaire engagement ring pairs a cushion or elongated cushion center stone with a single-stone setting, no accent diamonds on the band, held by prongs (typically four, placed at the corners) or a bezel.

What does a 4 carat elongated cushion cut diamond ring look like?

A 4 carat elongated cushion cut diamond ring produces a substantial, highly visible face-up presence at a typical L/W ratio of 1.30–1.35; a 4ct elongated cushion measures approximately 11.0 × 8.5mm face-up, covering the width of the finger with clear visual dominance rather than modest presence. The soft, rounded outline at this size reads as generous without the sharp geometric assertiveness of a 4ct emerald or princess cut.

What does a 5 carat elongated cushion cut diamond ring look like?

A 5 carat elongated cushion cut diamond ring is a statement ring by any measure at L/W 1.30–1.35; a 5ct elongated cushion measures approximately 12.0 × 9.2mm face-up, a size that reads as prominent across a wide range of hand sizes. The soft, diffused brilliance of the cushion faceting at this scale produces a warm, deep glow rather than the sharp, high-contrast flash of a 5ct round or oval, which suits buyers who want large-carat presence without the visual intensity that other cuts produce at that weight.