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Discover a beautifully balanced blend of vintage charm and modern brilliance in every Cushion Cut Lab Grown Diamond. This timeless pillow-shaped diamond is ideal for engagement rings, earrings, pendants, and custom jewelry, offering romantic character with the fire and sparkle today’s buyers expect.

At Elite Diam, we carefully select and certify each collection of lab grown diamonds, with precise specifications that make comparison simple. Explore Lab Grown Cushion Cut Diamonds in popular sizes such as 1 carat, 2 carats, 3 carats, 4 carats, and 5 carats, with colorless to near-colorless grades and exceptional clarity. Whether you want to buy cushion diamond for a classic solitaire or create a statement design, our transparent details help you choose with confidence.

Cushion Cut Lab Grown Diamonds:

• IGI & GIA Certified Cushion Diamonds
• Full Grading Report With Every Order
• Worldwide Secure Shipping
• Transparent Pricing, No Hidden Costs

What Is a Cushion Cut Lab Grown Diamond?

A Cushion Cut Lab Grown Diamond is a square-to-rectangular diamond with softly rounded corners and curved sides that resemble a plush pillow. It combines a graceful outline with brilliant-style faceting, giving the shape its signature mix of gentle curves and lively sparkle.

The cut descends from the antique old mine cut, a hand-fashioned shape admired since the 18th century for its romantic proportions and candlelit glow. Over time, cutters refined the old mine design with improved symmetry, precise angles, and a modified brilliant facet structure. The result is today’s cushion diamond: heritage-inspired in appearance but engineered for exceptional light performance.

It is important to separate shape from origin. “Cushion” refers to the diamond’s outline, while “lab grown” describes how it was formed. A Lab Grown Cushion Cut Diamond has the same carbon crystal structure, hardness, brilliance, and optical properties as a mined diamond. It is graded using the same carat, color, clarity, and cut standards, so you can evaluate it with familiar gemological criteria.

What Makes Cushion Cut Lab Grown Diamonds Unique?

Cushion Cut Lab Grown Diamonds stand apart because their personality comes from both silhouette and facet arrangement. The rounded square outline feels warm, elegant, and slightly vintage, yet the internal faceting creates a distinctly modern display of light.

Most cushion diamonds use a brilliant-style facet pattern rather than a step-cut pattern. Within this category, two appearances are especially popular:

• Cushion Brilliant: Often called a “chunky” cushion, it has broader flashes of light and clearly defined sparkle.
• Cushion Modified Brilliant: Commonly called “crushed ice,” it has smaller facets that create a shimmering, scattered brilliance.

Facet style can influence how color and inclusions face up. A crushed ice pattern may disguise subtle color or internal characteristics more effectively, while a chunky cushion’s larger facets can make those features easier to notice. For that reason, a beautiful cushion diamond should be judged by its facet style, symmetry, proportions, and overall light performance not by shape alone.

How to Choose a High-Quality Cushion Cut Lab Grown Diamond

Facet Style — Brilliant vs. Crushed Ice

Start by deciding which type of light display you prefer. A chunky cushion offers bold, distinct flashes and a structured look. A crushed ice cushion delivers dense, glittering sparkle with a softer internal pattern. Neither is automatically better; the right choice depends on your visual taste and the jewelry design you envision.

Color

For a Cushion Cut Lab Grown Diamond, colorless and near-colorless grades are often the most desirable. D and E color diamonds appear icy white, while F color remains highly bright and versatile. Because facet style can affect how color is perceived, compare diamonds individually rather than relying only on the grade.

Clarity

VS1 and VS2 clarity are popular eye-clean choices for lab grown cushions, offering an excellent balance of beauty and value. If you prefer a more open, chunky facet pattern, consider a higher clarity grade. Crushed ice cushions may remain eye-clean at slightly lower grades because their dense faceting can mask inclusions.

Carat Weight

Cushion diamonds are available in a wide range of sizes. A 1 carat lab grown cushion cut diamond creates an elegant everyday look, while 2, 3, 4, or 5 carat options provide a stronger presence. Since each stone faces up differently, compare actual millimeter measurements as well as carat weight.

Length-to-Width Ratio

The length-to-width ratio controls whether a cushion appears square or rectangular. A ratio around 1.00–1.05 looks square, while a ratio above 1.15 creates a more elongated outline. Choose the ratio that complements your preferred setting and personal style.

Symmetry & Polish

Look for smooth, evenly rounded corners and a balanced outline. Excellent symmetry ensures that the facets align properly, while excellent polish allows light to pass cleanly through the diamond. These details may seem subtle, but they strongly influence brilliance.

Certification

An IGI report confirms the diamond’s carat weight, color, clarity, measurements, polish, symmetry, and other important grading details. Buying a certified Lab Grown Cushion Cut Diamond gives you an objective basis for comparison and confidence in your purchase.

Why Facet Style Matters in a Cushion Cut Lab Grown Diamond

Many buyers focus on outline first, but two diamonds with the same cushion shape can have very different personalities. Both cushion brilliant and cushion modified brilliant styles use brilliant faceting, not step-cutting, yet their light behavior is noticeably different.

A chunky cushion typically produces broader flashes, stronger contrast, and a bold “hall of mirrors” effect. A crushed ice cushion creates smaller points of light that appear to glitter continuously across the pavilion. Brilliance, fire, and scintillation may all be present in both styles, but they are distributed differently.

Facet style also works with depth, proportions, symmetry, and outline consistency to shape the final appearance. Review video, images, and precise measurements before choosing the visual style you love.

Choose the Right Cushion Cut Length-to-Width Ratio

For a classic square cushion, choose a length-to-width ratio between 1.00 and 1.05. This balanced outline is the core style of many Lab Grown Cushion Cut Diamonds and works beautifully in solitaire, halo, and three-stone settings.

A ratio above 1.15 creates a rectangular or elongated cushion. This shape can make the finger appear longer and offers a distinctive alternative to square designs. Slightly elongated cushions can also look larger from the top because more of the diamond’s weight is distributed across the visible surface.

The best ratio is ultimately a matter of style. Square cushions feel traditional and symmetrical, while elongated cushions look modern and graceful. Compare measurements not only ratios to make sure the outline looks pleasing from every angle.

Choosing the Right Carat Weight for a Cushion Cut Lab Grown Diamond

0.50–0.75 Carat

This range is perfect for delicate rings, earrings, pendants, and stackable jewelry. It offers the beauty of a cushion shape in a refined, wearable size.

1 Carat

A 1 carat lab grown cushion cut diamond is a popular choice for engagement rings. It feels classic and substantial without being overly bold, making it ideal for both minimalist and detailed settings.

2 Carats

A 2 carat lab grown cushion cut diamond delivers a stronger presence while retaining graceful proportions. It is especially striking in halo and solitaire designs.

3 Carats

A 3 carat lab grown cushion cut diamond creates a luxurious look with impressive finger coverage. This size is well suited to statement rings and premium custom jewelry.

4 Carats

A 4 carat lab grown cushion cut diamond offers dramatic scale and exceptional presence. In a high-quality cut, it can appear both majestic and refined.

5 Carats

For maximum impact, a 5 carat lab grown cushion cut diamond provides rare, eye-catching beauty. Pair it with a secure setting that protects the corners and complements the stone’s proportions.

Cushion Cut Lab Grown Diamond Clarity Guide

Clarity visibility in a cushion diamond depends largely on facet style. A chunky cushion has broader, more open facets, so inclusions may be easier to see if they are centrally located. A crushed ice cushion contains many smaller facets, which can break up the visual field and conceal certain inclusions.

For Lab Grown Cushion Cut Diamonds, VS1 and VS2 clarity are commonly considered the eye-clean sweet spot. VVS1 and VVS2 grades offer additional purity for buyers seeking top-tier quality, while carefully selected SI1 diamonds may also appear clean to the naked eye depending on inclusion type and position.

Inclusions near the corners or edges may be less visible once set, while dark crystals directly beneath the table can be more noticeable. Prioritize appearance, certification, and expert inspection over clarity grade alone.

Cushion Cut Lab Grown Diamond vs. Natural Cushion Cut Diamond

A Lab Grown Cushion Cut Diamond and a natural cushion diamond share the same physical, chemical, and optical properties. Both are real diamonds and are evaluated using the same grading standards.

The primary difference is origin: natural diamonds form underground over geological time, while lab grown diamonds are created in controlled environments. Once cut and polished, both display the same sparkle.

Appearance, color, clarity, and certification are comparable across both categories. The most noticeable difference is usually pricing. Lab grown diamonds often provide access to higher color, clarity, and carat weight within a more accessible budget, making them an appealing choice for engagement rings and fine jewelry.

Cushion Cut vs. Other Diamond Shapes

Cushion vs. Princess Cut

A princess cut has sharp, pointed corners and a crisp geometric look. A cushion diamond has rounded corners and a softer, more romantic outline. Cushions often feel vintage-inspired, while princess cuts appear modern and angular.

Cushion vs. Round Cut

Round diamonds are prized for strong light return and universal appeal. Cushions offer a more distinctive silhouette and can provide excellent value per carat. If you want timeless sparkle with a softer shape, a cushion is an excellent alternative to a round cut lab grown diamond.

Cushion vs. Radiant Cut

Radiant cuts and cushions can both appear square or rectangular, but radiant diamonds have trimmed corners and a different faceting pattern. Radiants often show a crisp mix of brilliant sparkle and linear depth, while cushions lean toward pillow-like softness and vintage charm.

How to Choose the Best Cushion Cut Lab Grown Diamond

Prioritize Facet Style & Symmetry

Choose chunky or crushed ice brilliance based on the type of sparkle you enjoy. Then confirm that the outline is even, the corners are rounded consistently, and the facets are well aligned.

Choose the Right Length-to-Width Ratio

Decide whether you prefer a square cushion or an elongated rectangle. The ratio should match your setting and the look you want on the hand or neckline.

Focus on Clarity & Color for Your Facet Style

Select color and clarity according to how the diamond actually faces up. A VS clarity grade and D–F color are excellent starting points for most buyers.

Compare Carat, Measurements & Certification

Look beyond carat weight and compare millimeter dimensions, depth, table size, polish, symmetry, and certification details. This helps you find a cushion diamond that looks balanced and beautiful in person.

Best Jewelry Types for Lab Grown Cushion Cut Diamonds

Engagement Rings

Cushion diamonds are engagement ring favorites, combining romance with brilliant sparkle in classic, modern, and vintage-inspired settings.

Diamond Earrings

Cushion diamonds create elegant stud earrings and sophisticated drop designs. Matched pairs offer symmetrical brilliance with a soft, flattering outline.

Pendants & Necklaces

A cushion diamond pendant feels refined and versatile. Its rounded corners make it comfortable for everyday wear while still looking luxurious.

Wedding & Anniversary Bands

Smaller cushion diamonds add distinctive sparkle to wedding bands and anniversary rings. They can be set in rows, halos, or alternating designs.

Custom Diamond Jewelry

From bracelets to bespoke rings, Lab Grown Cushion Cut Diamonds are ideal for custom creations. Their balanced outline pairs well with many side stones and metal styles.

Best Settings for Lab Grown Cushion Cut Diamonds

Solitaire

A solitaire setting highlights the cushion shape’s clean outline and allows its natural brilliance to take center stage.

Halo

A halo is especially popular for cushion diamonds because it echoes the cut’s vintage character while adding extra sparkle and perceived size.

Three-Stone

A three-stone setting gives a cushion center diamond added dimension and symbolism, often representing past, present, and future.

Pavé

Pavé settings create a continuous shimmer along the band, complementing both chunky and crushed ice cushion styles.

Bezel

A bezel setting surrounds the diamond with metal for a sleek, secure look. It is a practical choice for active lifestyles.

Vintage & Milgrain

Vintage-inspired settings with milgrain and delicate engraving beautifully enhance the cushion cut’s heritage appeal.

Certified Cushion Cut Lab Grown Diamonds

When you buy Cushion Cut Lab Grown Diamond, it comes with a certification report that lists all of its key details. This document helps you compare stones side by side.

Typical information on a lab grown diamond certificate includes:

• Carat weight: the diamond’s size.
• Color grade: how colorless or tinted the diamond is.
• Clarity grade: how clear or included the diamond is.
• Measurements: the exact dimensions (length, width, depth).
• Polish and symmetry: ratings that describe the quality of the facets.
• Any additional notes from the lab (for example, fluorescence or cutting style).

Fancy shapes like cushion cuts are graded differently than a round brilliant. The GIA (Gemological Institute of America) points out that fancy-shaped diamonds are judged mainly on factors such as polish and symmetry. IGI (International Gemological Institute) goes further by using shape-specific criteria and light-return analysis for fancy shapes. In other words, for a cushion cut lab grown diamond, IGI will consider the stone’s unique cut proportions and how well it reflects light, as well as the standard polish and symmetry factors.

IGI Certified Lab Grown Diamonds

IGI provides dedicated lab grown diamond reports detailing a stone’s color, clarity, and craftsmanship (cut quality). For cushion cut (fancy) diamonds, IGI applies special standards. They assess the diamond’s proportions and how effectively it returns light, then list the polish and symmetry grades. In short, an IGI-certified cushion diamond comes with a full breakdown of its attributes, so you know exactly what you’re buying.

GIA Certified Lab Grown Diamonds

GIA’s new lab grown diamond grading uses a Laboratory Grown Diamond Quality Assessment. Under this system, each eligible lab grown diamond is classified as either Premium or Standard. These labels reflect an overall evaluation of the diamond’s clarity, color, polish, and symmetry (and cut grade, if it’s round). Premium stones meet the highest criteria, while Standard stones meet a high baseline.

When you buy cushion cut lab grown diamond, make sure to read the report carefully. The GIA report will tell you whether your diamond is rated Premium or Standard and will detail its specific grades for color, clarity, and finish. Understanding this information is the best way to ensure you are getting a high-quality cushion cut lab grown diamond that meets your expectations.

Cushion Cut Lab Grown Diamond Buying Checklist

Use this practical checklist whenever you compare a Cushion Cut Lab Grown Diamond for an engagement ring, gift, or custom jewelry project. The goal is to balance beauty, certification, size, and value without overlooking the details that influence real-world appearance.

Confirm certification: Every Cushion Cut Lab Grown Diamond should include a trusted grading report that verifies its carat weight, color, clarity, and proportions.

Check dimensions: Review the length, width, and depth of the Cushion Cut Lab Grown Diamond, because millimeter measurements affect face-up size more than carat weight alone.

Identify facet style: Decide whether you prefer the broad flashes of a chunky cushion or the glittering effect of crushed ice.

Review color: A Cushion Cut Lab Grown Diamond in the D–F range offers a bright, colorless to near-colorless appearance that suits white gold, platinum, and yellow gold settings.

Evaluate clarity: Choose a Cushion Cut Lab Grown Diamond that is eye-clean, with inclusions that do not distract from its brilliance.

Compare ratios: The outline of a Cushion Cut Lab Grown Diamond should look balanced and attractive from every viewing angle.

Inspect symmetry: Look for consistent corners, aligned facets, and an even overall outline.

Match carat to design: The right Cushion Cut Lab Grown Diamond should suit the setting, finger size, and intended jewelry style.

Select a secure setting: Protective prongs, a halo, or a bezel can beautifully frame a Cushion Cut Lab Grown Diamond.

Verify purchase details: Transparent pricing and clear specifications make it easier to compare each Cushion Cut Lab Grown Diamond with confidence.

View the diamond: High-quality images and video help reveal the sparkle pattern and overall character of a Cushion Cut Lab Grown Diamond.

Compare total value: Consider certification, measurements, color, clarity, and craftsmanship rather than carat weight alone.

Consider metal color: White metals can emphasize cool brightness, while yellow or rose gold can add warmth to a Cushion Cut Lab Grown Diamond.

Check availability: Popular sizes may move quickly, so confirm that your preferred Cushion Cut Lab Grown Diamond is available before designing around it

Save the grading report: Keep the report for insurance, resale documentation, future repairs, and personal records.

Buy with support: A knowledgeable jeweler can help you compare a Cushion Cut Lab Grown Diamond and choose the best option for your budget and style.

Why Choose Elite Diam for Cushion Cut Lab Grown Diamonds?

Elite Diam's cushion collection is built for shoppers who want choice and clear product information while comparing individual diamonds online.

Our current collection includes options across multiple carat weights, color grades, clarity levels, and cushion cuts, with product listings that show key specifications and certification details.

Multiple Carat and Quality Options

From smaller stones to larger statement diamonds, our collection makes it easier to compare different combinations of size, color, clarity, and price.

Detailed Product Specifications

Each listing provides information to help you compare diamonds beyond carat weight, including shape, quality characteristics, measurements, and certification information where applicable.

Certified Choices

Our collection currently features certified lab grown cushion diamonds, including IGI-certified options, giving shoppers documented grading information to review before purchasing.

Easy Online Comparison

Instead of choosing a diamond from a generic description, you can compare individual stones based on the characteristics that matter to you.

Secure Global Shopping

Elite Diam currently promotes worldwide secure shipping and insured delivery support, giving international shoppers another layer of confidence when ordering online.

Expert Assistance

Not sure whether a square cushion or elongated cushion suits your design? Need help comparing two stones with similar carat weight? Elite Diam provides access to diamond specialists who can assist with product-specific questions before purchase.

Buy Certified Cushion Cut Lab Grown Diamonds at Elite Diam

If you are ready to Buy Certified Cushion Cut Lab Grown Diamond, start by comparing the stones available in the Elite Diam collection.

Use the available specifications to narrow your choices by carat weight, color, clarity, certification, price, and other relevant characteristics. Then review each shortlisted diamond individually.

Whether you are looking to buy 1 Carat Certified Cushion Cut Lab Grown Diamonds, a larger 2 or 3 carat stone, or a substantial 4 or 5 carat statement diamond, the right choice depends on the combination of specifications and visual appearance.

The goal is not simply to find the biggest diamond. It is to find a diamond whose proportions, symmetry, color, clarity, carat weight, certification, and price work together for your intended jewelry design.

Find Your Perfect Cushion Shape Lab Grown Diamond

Buy Certified Cushion Cut Lab Grown Diamonds in a range of carats, colors, clarity grades, and cuts. At Elite Diam, compare your options, find the perfect setting, and buy with confidence.

For bulk orders explore our lab grown diamond sourcing services for reliable supply, tailored specific to your requirements:

Lab Grown Diamond Manufacturer

Lab Grown Diamond Wholesaler

Lab Grown Diamond Dealer

Lab Grown Diamond Merchant

If You Want a Custom Cushion Diamond true to your vision, contact our diamond expert to discuss your preferred specifications and receive suitable options.

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