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#1 Trending Bridal Silhouette • Ratio 1.20 – 1.45

Elongated Cushion Lab Grown Diamonds.
The Modern Celebrity Bridal Choice.

Merging the vintage pillowed softness of a cushion with the finger-flattering elongation of an oval, the elongated cushion lab grown diamond has become the most coveted engagement ring shape in the USA. Master cut in Surat with optimized 1.20 to 1.45 ratios and 100% certified by IGI & GIA at direct factory wholesale prices.

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IGI & GIA Graded Ideal 1.25 – 1.40 Ratios Free Insured USA Delivery
Elongated Cushion Lab Grown Diamond Ring
Trending Bridal
Elongated Pillow Fire
Length-to-Width Ratio
1.20 – 1.45 (Elongated)
Faceting Style
Brilliant / Crushed-Ice
Table %
58.0% – 66.0%
Total Depth %
62.0% – 68.0%
✦ Direct Factory Value ✦

Elongated Cushion Pricing by Carat

Compare Surat factory direct wholesale prices for certified IGI & GIA Elongated Cushion CVD diamonds against standard US retail jewelry stores.

1.50 CARAT

1.50ct Elongated Cushion

Graceful, slimming finger presence with soft rounded pillow corners and brilliant sparkle.

Surat Factory Price: $520 – $750 USD
US Retail Store: $2,300 – $3,100
Mined Elongated Cushion: $8,000+
#1 BRIDAL
2.50 CARAT

2.50ct Elongated Cushion

The quintessential celebrity engagement ring center stone with expansive spread (~9.0 × 7.0mm).

Surat Factory Price: $890 – $1,250 USD
US Retail Store: $4,200 – $5,800
Mined Elongated Cushion: $21,000+
3.50+ CARAT

3.50ct+ Elongated Cushion

Dramatic finger coverage with hypnotic crushed-ice fire that commands admiration in any setting.

Surat Factory Price: $1,450 – $2,100 USD
US Retail Store: $7,800 – $11,000
Mined Elongated Cushion: $42,000+
Surat Factory Direct • B2B & Jewelers

Looking for Wholesale Elongated Cushion Lab Grown Diamonds?

Surat cutting source for high-demand elongated cushion diamonds (1.20 to 1.45 ratios). Available in crushed-ice and chunky brilliant faceting with full IGI/GIA certification at true factory wholesale rates.

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✦ Contemporary Bridal Glamour ✦

Why Elongated Cushions Rule Modern Bridal

In traditional jewelry, cushion cuts were strictly square (1.00 ratio). However, over the past three years, the elongated cushion cut lab grown diamond has exploded in demand, becoming the #1 bridal silhouette worn by celebrities and fashion tastemakers.

The secret lies in the optical marriage of two distinct shapes: it delivers the **slimming, finger-lengthening silhouette of an oval cut**, but replaces the sharp pointed curvature with the **soft, pillowed, romantic corners of a cushion**. Furthermore, because its rounded corners lack the sharp points of a radiant or princess cut, it is exceptionally durable and resistant to chipping.

Finger Slimming Effect

Elongated rectangular profile visually flatters and lengthens the hand.

Minimal Bowtie Effect

Less central light shadow compared to traditional oval cuts.

Elongated Ratio Proportion Guide

1.15 – 1.22 Ratio (Chubby Elongated)

Subtle lengthening that retains substantial pillow volume and vintage warmth.

1.25 – 1.35 Ratio (The Sweet Spot Favorite)

The most popular proportion worldwide; perfectly balanced elongation with distinct pillow curves.

1.38 – 1.45 Ratio (Dramatic Elongated)

Modern high-fashion aesthetic providing maximum vertical spread down the finger.

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✦ Fine Jewelry Applications & Styling ✦

Where Elongated Cushion Diamonds Are Used Most

Offering a modern 1.15 to 1.30 length-to-width ratio, elongated cushions create striking finger coverage. Discover where they are used most.

Modern Cathedral Solitaires

High-arched shoulders lead up to an elongated cushion center stone, combining height with slender spread.

Hidden Halo Solitaires

Highlighting the elongated rectangular-pillow contour while keeping all focus on the center diamond.

Bezel Solitaire Rings

Enclosing the elongated cushion in a sleek gold bezel creates a clean, snag-free bridal ring.

Three-Stone with Trapezoids

Paired with step-cut or brilliant trapezoids for a regal, balanced architectural silhouette.

✦ Elongated Proportion Benchmark ✦

Certified Elongated Cushion Diamonds: 1.15-1.30 Ratio Grading Standards

A certified elongated cushion diamond requires precise proportion grading to achieve the ideal rectangular-to-pillow balance (1.15 to 1.30 ratio). Official IGI reports verify corner symmetry, facet fire pattern, and Type IIa purity, ensuring your center stone looks exceptionally large and elegant on the hand.

Microscopic Inscription

Every stone bears its unique IGI/GIA certificate number laser-engraved onto the girdle for foolproof physical verification.

Type IIa Purity Dossier

Laboratory documentation confirms pure crystallized carbon structure with zero fluorescence and optimal light performance.

100% Verifiable Grading Report

Review your diamond's official grading metrics online via IGI or GIA portals prior to FedEx priority insured dispatch.

✦ Handcrafted Fine Bridal ✦

Popular Elongated Cushion Ring Settings

The elongated cushion diamond shines brightest in clean, contemporary mountings that highlight its pillowed perimeter. Our Surat atelier crafts custom mountings in Solid Platinum 950, 14K/18K Yellow Gold, White Gold, and Rose Gold.

Hidden Halo Solitaire
Dainty 1.8mm band with micro-pavé diamonds under the center stone with 4 delicate claw prongs.
Two-Tone Mounting
18K yellow gold prongs to hold the cushion diamond, mounted on an icy white platinum band.
Three-Stone with Trapezoids
Center elongated cushion flanked by matching trapezoid or tapered baguette side diamonds.
Double Prong Solitaire
Slender double claw prongs at each curved corner for enhanced symmetry and security.
Custom Elongated Cushion Lab Grown Diamond Ring
✦ Buyer Education ✦

Frequently Asked Questions

Expert answers regarding certified elongated cushion cut lab grown diamonds.

An elongated cushion cut diamond is a cushion diamond faceted with a rectangular length-to-width ratio (typically between 1.20 and 1.45) rather than a square (1.00) ratio. It retains the curved pillowed sides and soft rounded corners of a cushion while creating a flattering, elongated silhouette on the finger.

The most requested ratio is **1.28 to 1.35**. In this range, the diamond displays distinct elongation that flatters the finger while maintaining unmistakable cushion pillow contours. Ratios below 1.20 look squarish, while ratios above 1.40 appear dramatically slender.

While both shapes lengthen the finger, an **oval cut has continuous rounded elliptical curves**, whereas an **elongated cushion has straighter sides and defined rounded corners**, creating a softer geometric look. Furthermore, elongated cushions generally exhibit less noticeable bow-tie effect than oval cuts.

Direct from our Surat diamond factory, a certified 2.5 carat elongated cushion cut lab grown diamond (D-F Color, VVS/VS Clarity) costs between $890 and $1,250 USD. In US retail stores, the same diamond costs $4,200 to $5,800 USD, and a mined counterpart costs $21,000+.

Both are available! Most modern brides prefer **Cushion Modified Brilliant (crushed-ice)** for its glittering, multi-directional shimmer that hides inclusions. However, we also facet **Cushion Brilliant (chunky faceting)** upon request for buyers who prefer larger rainbow flashes of fire.
Home → Diamond Cuts → Elongated Cushion Lab Grown Diamonds
Square Cushion → Radiant Cut → Oval Diamonds → Emerald Cut →
✦ Direct Surat Manufacturer • B2B & Bespoke ✦

Looking for Lab Grown Diamonds Supplier?

Connect directly with our Surat cutting facility for IGI/GIA certified loose diamonds, calibrated melee, and custom jewelry with insured worldwide express delivery.

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