Cushion Cut Diamonds: A Timeless Elegance

The cushion cut, often referred to as the 'pillow cut', is one of the oldest and most enduring diamond shapes. Its distinctive rounded corners and softly rectangular or square outline evoke a sense of vintage charm and classic sophistication. This cut has seen a resurgence in popularity, appreciated for its romantic appeal and excellent light performance.

Definition

A cushion cut diamond is characterized by its square or rectangular shape with rounded corners, resembling a cushion or pillow. It typically features 58 facets, similar to a traditional round brilliant cut, but its unique shape allows for a different play of light, often resulting in a desirable 'fire' or dispersion of color.

Key Features

• Shape: Square to rectangular with rounded corners.
• Facets: Usually 58 facets, though variations exist.
• Brilliance & Fire: Known for its exceptional fire, producing flashes of color. Brilliance can vary depending on the specific proportions.
• Comfort: The rounded corners make it less prone to chipping than sharp-cornered cuts, enhancing durability.
• Vintage Appeal: Its classic silhouette offers a timeless, romantic aesthetic.

Origin and History

The cushion cut has a long and rich history, evolving from early diamond cuts developed centuries ago. The original cushion cuts were more rudimentary, often referred to as 'old mine cuts' or 'Peruvian diamonds', characterized by larger facets and a more elongated shape. These cuts were popular in the 18th and 19th centuries. Modern cushion cuts have been refined with advanced cutting techniques to optimize their sparkle and proportions, leading to the contemporary 'cushion brilliant' and 'cushion modified brilliant' cuts we see today.

Types / Variations

There are two main types of modern cushion cuts:

• Cushion Brilliant Cut: This cut is designed to mimic the faceting pattern of a round brilliant cut. It typically has a more square shape and exhibits excellent brilliance, with flashes of light and color.
• Cushion Modified Brilliant Cut: This variation often features a more rectangular shape and incorporates an extra row of facets around the pavilion. While it may have slightly less brilliance than the cushion brilliant, it often excels in fire and scintillation, producing larger, more dramatic flashes of color. It is also generally more affordable.

The choice between these two often comes down to personal preference for the balance of brilliance, fire, and shape.

How It's Made

Cushion cut diamonds are created using advanced cutting and polishing techniques. The process begins with a rough diamond, which is carefully mapped and sawn or laser-cut into the desired shape. Skilled cutters then meticulously facet the stone to maximize its beauty. The precise angles and proportions of these facets are crucial for achieving optimal light performance. Modern cushion cuts often employ specialized facet arrangements to enhance fire and sparkle, particularly in the modified brilliant variation.

Grading & Quality Standards

Like all diamonds, cushion cut diamonds are graded using the 4Cs: Carat, Cut, Color, and Clarity. However, due to the shape, certain aspects require special consideration:

• Cut: For cushion cuts, 'excellent' and 'very good' grades for cut are desirable. Look for well-proportioned facets that create lively sparkle. Avoid cuts that appear too deep or too shallow, which can lead to light leakage.
• Color: Cushion cuts, especially modified brilliants, can sometimes hide color better than round brilliants. However, for optimal beauty, a color grade of G or higher is often recommended, depending on the setting.
• Clarity: Aim for a clarity grade of VS1 or VS2 for an eye-clean diamond. Inclusions in cushion cuts can sometimes be masked by the facets and the inherent fire of the stone, making SI1 or even some SI2 grades potentially good value if they appear clean to the naked eye.

Buying Guide

When choosing a cushion cut diamond:

• Shape Preference: Decide if you prefer a more square or rectangular shape.
• Brilliance vs. Fire: Determine whether you prioritize dazzling white light (brilliance) or colorful flashes (fire). Cushion brilliants lean towards brilliance, while modified brilliants emphasize fire.
• Inclusions: Examine the diamond closely to ensure any inclusions are not visible to the naked eye. Look for inclusions in the corners or along facet junctions, as these are often less noticeable.
• Setting Style: Cushion cuts look beautiful in various settings, including solitaire, halo, and three-stone designs. The rounded corners make them well-suited for bezels and other protective settings.
• Proportions: A depth of around 60-68% and a table size of 58-67% often yield good results, but examining the actual stone is key.

Price Range & Value Factors

Cushion cut diamonds are generally priced between round brilliant cuts and other fancy shapes like emerald or oval cuts. Their price is influenced by the 4Cs, but also by:

• Cut Precision: The skill of the cutter significantly impacts price.
• Shape Ratios: Perfectly square cushion cuts or those with ideal rectangular ratios may command higher prices.
• Brand and Certification: Diamonds from reputable brands or with GIA certifications might be more expensive.
• Supply and Demand: Popularity influences market price.

Expect cushion cut diamonds to be slightly less expensive than comparable round brilliant diamonds, especially the modified brilliant cut, offering excellent value for their beauty.

Care and Maintenance

Cushion cut diamonds, like all gemstones, require proper care:

• Cleaning: Clean regularly with a soft brush, warm water, and mild dish soap. Avoid harsh chemicals or ultrasonic cleaners, which can be damaging.
• Storage: Store your diamond jewelry in a separate soft pouch or jewelry box to prevent scratches and damage from other pieces.
• Protection: While cushion cuts are durable due to their rounded corners, avoid hard impacts or wearing them during strenuous activities.
• Professional Inspection: Have your jewelry inspected by a professional jeweler annually to check the setting and ensure the diamond is secure.

Pros and Cons

Pros:

• Romantic and Vintage Appeal: Offers a timeless, elegant look.
• Excellent Fire: Known for producing vibrant flashes of color.
• Durability: Rounded corners are less prone to chipping than sharp corners.
• Value: Often more affordable than round brilliant cuts of similar quality.
• Variety: Available in square and rectangular shapes with varying brilliance and fire characteristics.

Cons:

• Color Visibility: Can sometimes show color more readily than round brilliants, especially in lower color grades.
• Inclusion Masking Varies: While some inclusions can be hidden, others might be more apparent depending on their location and the specific cut.
• Proportion Sensitivity: Performance can vary significantly based on precise cutting.

Famous Examples

Several famous diamonds feature the cushion cut, underscoring its enduring appeal:

• The Hope Diamond: This legendary 45.52-carat blue diamond is a cushion antique brilliant cut.
• The Wittelsbach-Graff Diamond: A famous 31.06-carat blue diamond, recut from an older cushion shape.
• The Tiffany Yellow Diamond: A magnificent 128.54-carat fancy yellow diamond, known for its exceptional cushion cut.

Common Misconceptions

• All Cushion Cuts are the Same: This is untrue. The distinction between cushion brilliant and cushion modified brilliant, along with variations in proportions and facet arrangements, leads to diverse appearances.
• Cushion Cuts are Always Cheaper: While generally less expensive than round brilliants, exceptionally well-cut, high-quality cushion cuts can command premium prices.
• They Lack Brilliance: Modern cushion brilliant cuts offer excellent brilliance, rivaling round brilliants.

Related Terms

• Old Mine Cut
• Antique Cushion Cut
• Cushion Brilliant
• Cushion Modified Brilliant
• Fancy Shape Diamonds
• Diamond Facets
• Diamond Fire
• Diamond Brilliance

FAQs

Is a cushion cut diamond a good choice for an engagement ring?

Yes, a cushion cut diamond is an excellent choice for an engagement ring. It offers a beautiful blend of vintage charm, sparkle, and durability, making it both fashionable and practical.

Do cushion cut diamonds show more color than round diamonds?

Generally, yes. Cushion cuts, particularly the modified brilliant variety, can sometimes reflect warmer tones, making color more noticeable than in a round brilliant cut. If you are sensitive to color, opt for a higher color grade.

Are cushion cut diamonds more expensive than round cut diamonds?

Typically, cushion cut diamonds are less expensive than round brilliant diamonds of comparable quality and carat weight. The cushion modified brilliant, in particular, often offers more value.

What is the best length-to-width ratio for a cushion cut diamond?

For a square appearance, a ratio close to 1.00 is ideal. For a slightly elongated look, ratios between 1.05 and 1.15 are popular. Ultimately, personal preference dictates the ideal ratio.

How durable is a cushion cut diamond?

Cushion cuts are quite durable due to their rounded corners, which are less susceptible to chipping than the sharp corners of shapes like the princess cut. However, like all diamonds, they should be protected from hard impacts.