Diamond Education

5 Carat Diamond Guide

Diamonds, nature's testament to both beauty and endurance, have captivated humanity for centuries. Beyond their radiant shimmer lies a language of carats and clarity, guiding both connoisseurs and those simply seeking a beautiful gem. Among these dazzling stones, the 5 carat diamond stands out as a symbol of luxury, prestige, and unparalleled brilliance. Often considered a benchmark of elite status, a diamond of this magnitude is not just an accessory but a statement, a testament to significant moments and milestones in life. This article dives deep into the world of 5 carat diamonds, exploring their size, cost, natural and lab-grown variations, their ideal settings, and where best to procure such treasures. Join us on this sparkling journey as we uncover the mystique and allure of the 5 carat diamond.

  • How Big is a 5 Carat Diamond?
  • How much does a 5 Carat Diamond Cost?
  • Natural 5 Carat Diamonds
  • Lab-Grown 5 Carat Diamonds
  • 5 Carat Diamond Settings
  • Where to Buy 5 Carat Diamonds

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How Big is a 5 Carat Diamond?

When envisioning a 5 carat diamond, it's crucial to understand that carat weight refers to the stone's weight, not its size. That said, the size or dimensions of a diamond for a specific carat weight can vary depending on its shape or cut. A round-cut 5-carat diamond, one of the most popular shapes, has an average diameter of about 11mm. But what about other sought-after diamond shapes?

Below is a chart detailing the approximate dimensions of various diamond shapes, all weighing 5 carats:


Diamond Shape Typical Measurements (L x W in mm)

Diamond Shape Approximate Dimensions
Round 11mm in diameter
Oval 14mm x 10mm
Emerald 12mm x 8mm
Princess 9mm x 9mm
Cushion 10mm x 10mm
Radiant 10mm x 8mm
Pear 14mm x 9mm
Asscher 9mm x 9mm
Marquise 16mm x 8mm
Heart 11mm x 11mm



The dimensions mentioned above are approximate averages. The exact size of a 5-carat diamond in any shape can vary depending on its proportions and overall cut quality.

While size plays a role in a diamond's appearance, other factors like cut, clarity, and color can significantly influence its overall brilliance and beauty.

The length and width of fancy-shaped diamonds like ovals, pears, and marquises can be modified to fit specific preferences, which can alter their size for the same carat weight.

When choosing a diamond, it's always best to consider the overall visual appeal and not just the dimensions. However, understanding the size of a 5-carat diamond across various shapes can aid in making an informed decision.

How Much Does a 5 Carat Diamond Cost?

The cost of a 5 carat diamond, like all diamonds, hinges upon a matrix of factors including its cut, color, clarity, and of course, whether it's sourced naturally or created in a lab. Here, we'll delve into the cost range for both natural and lab-grown 5-carat diamonds, especially focusing on the popular round cut.

How Much Does a Natural 5 Carat Round Diamond Cost:

Price Range: $85,000 to $290,000


Cut: A well-cut diamond not only shines brighter but also fetches a higher price tag. Diamonds graded with an "excellent" or "ideal" cut will be at the higher end of the spectrum.

Color: Diamonds are graded from D (colorless) to Z (light yellow or brown). A 5-carat diamond closer to the D end of the scale will cost more.

Clarity: This refers to the presence of internal or external imperfections. Flawless diamonds (with no inclusions or blemishes) command the highest prices.

Carat Weight: Even within the 5-carat range, a diamond weighing 5.05 carats may be priced differently than one weighing 5.95 carats.

5.66 Carat Round Diamond from James Allen

5.66 Carat Round Diamond from James Allen

How Much Does a Lab-Grown 5 Carat Round Diamond Cost:

Price Range: $3,700 to $7,000

Why the Price Difference?:

  • Production Cost: Creating diamonds in a controlled environment is less resource-intensive than mining.
  • Supply and Demand: The rising acceptance and demand for lab-grown diamonds have brought more producers into the market, creating competitive pricing.
  • Quality Variables: Just like natural diamonds, the cut, color, and clarity of lab-grown diamonds influence their cost. However, they are generally more affordable due to the factors mentioned above.
5.27 ct H VS2 Round Cut Lab Grown Diamond

5.27 ct H VS2 Round Cut Lab Grown Diamond from Whiteflash

It's essential to understand that while cost is a significant factor, the value of a diamond is multifaceted. Some individuals cherish the rarity and natural origin of mined diamonds, while others appreciate the ethical and environmental benefits of lab-grown alternatives.

Whether you're inclined towards the timeless allure of natural diamonds or the innovative brilliance of lab-grown stones, ensure you're well-informed and purchase from reputable dealers to get the best value for your investment.

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Natural 5 Carat Diamonds

The allure of natural diamonds is steeped in centuries of history, tradition, and a mystique that many find irresistible. A natural 5 carat diamond, in particular, is a testament to nature’s incredible power to produce something so rare and beautiful over millions of years.

Here are some tips and advice when selecting such a majestic gem:

  • Know the 4Cs: Always ensure you have a grasp of the diamond's Cut, Color, Clarity, and Carat. Each of these contributes uniquely to a diamond’s beauty and value.
  • Certification: For a diamond of this significance, ensure it comes with a certification from a recognized gemological institute. This provides an unbiased assessment of its quality. Remember not all certificates are the same, for natural diamonds look to buy GIA graded diamonds.
  • Provenance: With the rising emphasis on ethically sourced diamonds, consider asking for the stone's provenance. Knowing its origin can provide assurance against conflict diamonds.

Consider Shopping Online:

  • Less Pressure: Browsing online allows you to take your time, research, and compare options without the pressure of a salesperson watching over your shoulder.
  • Better Quality and Price: Due to lower overhead costs, online retailers often offer better prices and a wider range of quality options.
  • Reviews Matter: Make sure to read customer reviews and ensure you're purchasing from a reputable dealer.

Lab-Grown 5 Carat Diamonds

The diamond industry has experienced a revolution with the advent of lab-grown diamonds. These diamonds, although cultivated in controlled environments, possess the same physical, chemical, and optical properties as their natural counterparts. They're especially appealing to the eco-conscious and those looking for more budget-friendly options.

Here's what to consider when selecting a lab-grown 5 carat diamond:

  • Understand the Process: Familiarize yourself with the two primary methods of diamond creation: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD). Each has its own set of advantages and characteristics.
  • Embrace Their Ethical Stand: Lab-grown diamonds have a significantly lower environmental impact and are free from the ethical dilemmas that sometimes surround natural diamonds.
  • Quality Standards Remain: Just like natural diamonds, lab-grown diamonds are graded on the 4Cs. Always check the certification, even for lab-grown options. Make sure to look for GIA or IGI-graded lab diamonds.

Online is Your Ally:

  • In-depth Information: Many online retailers provide educational content to help you understand the nuances of lab-grown diamonds.
  • Cost-effective: Without the need for traditional brick-and-mortar expenses, online stores often pass on those savings to the customer.
  • Check Reviews and Return Policies: Ensure the retailer has positive feedback and a transparent return policy, so you can buy with confidence.

Whether you choose a diamond formed over millions of years deep within the Earth or one crafted with precision in a modern laboratory, your choice is personal and unique. Both types of diamonds offer unmatched beauty, making either a splendid choice for that special occasion.

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For those who won't compromise on brilliance, Blue Nile and James Allen are solid choices for lab diamonds. Yet, when it comes to a cut, Whiteflash's Precision Cut Lab Diamonds lead the way.

5 Carat Diamond Settings

Selecting the perfect setting is crucial when showcasing a magnificent 5 carat diamond. The setting not only influences the overall aesthetic of the jewelry but also plays an essential role in the diamond's security and protection. For a gem of this size and significance, the right setting can make all the difference.

1. Prong Setting:

  • Recommendation: For a 5 carat diamond, a minimum of six prongs is recommended to ensure the diamond is securely held in place. While four prongs can give the diamond a squared appearance, six prongs tend to make it appear more rounded and offer better security.
  • Advantages: Elevates the diamond, allowing more light to pass through, enhancing its brilliance.
5 carat diamond in a Platinum Classic 6 Prong Solitaire Engagement Ring

Platinum Classic 6 Prong Solitaire Engagement Ring with a 5 Carat diamond from Whiteflash

2. Bezel Setting:

  • Description: This setting surrounds the diamond with a thin metal border, holding it securely.
  • Advantages: Offers enhanced protection for the diamond, especially the edges. Ideal for those with an active lifestyle.

3. Halo Setting:

  • Description: Involves encircling the main diamond with smaller diamonds or gemstones.
  • Advantages: Amplifies the size and brilliance of the central diamond, making it appear larger and even more radiant.
14K White Gold Navette Leaf Halo Engagement Ring from James Allen

14K White Gold Navette Leaf Halo Engagement Ring from James Allen

4. Pave Setting:

  • Description: Small diamonds are set closely together, covering the band, creating the illusion of a paved path of diamonds.
  • Advantages: Adds extra sparkle to the piece, enhancing the brilliance of the central 5 carat diamond.

5. Three-Stone Setting:

  • Description: The central diamond is flanked by two smaller diamonds or gemstones on either side.
  • Advantages: Provides a balanced and harmonious look, often symbolizing the past, present, and future in a relationship.
Three Stone Princess Cut Pavé Diamond Engagement Ring

Three Stone Princess Cut Pavé Diamond Engagement Ring from Blue Nile

A few additional tips:

  • Metal Choice: Consider the metal for your setting carefully. Platinum and white gold are popular choices due to their strength and ability to complement the diamond's sparkle. Yellow and rose gold can offer a warm, vintage touch.
  • Durability: For daily wear items, such as engagement rings, choose settings that protect the diamond from potential knocks, like the bezel or halo settings.
  • Personal Style: The setting should resonate with the wearer's personal style. Whether it's a classic prong setting or a modern tension design, it should be a reflection of individuality.

Remember, while the diamond is undoubtedly the star of the show, the setting is the stage that allows it to shine its brightest. Invest time in selecting the right one, and you'll have a piece of jewelry that captivates you for a lifetime.

Where to Buy 5 Carat Diamonds

Whiteflash: Esteemed for its unmatched quality and meticulous craftsmanship, Whiteflash boasts a diverse array of natural 5 carat diamonds. Their hallmark collection, A CUT ABOVE® diamonds, is emblematic of an exhaustive selection process that underscores supreme cut excellence and mesmerizing allure. Furthermore, Whiteflash presents their Precision Cut Lab Diamonds, synonymous with exactness and unparalleled luminosity. Their designer frameworks, coupled with unparalleled customer assistance, have earned them an array of five-star accolades on platforms such as Yelp and Google.

James Allen: A perfect destination for those on the hunt for unique fancy-shaped and tinted 5 carat diamonds. James Allen's vast repository of diamonds is complemented by their innovative 360-degree imaging technology, granting potential buyers an intimate, detailed view of each diamond. Additionally, their assortment of settings caters to diverse tastes and inclinations.

Blue Nile: With a reputation for encompassing a broad spectrum of diamonds, including those weighing 5 carats, Blue Nile ensures that customers have a plethora of choices at their fingertips. They invite patrons to personalize and craft their dream jewelry piece through a myriad of setting options. To enhance the purchasing journey, they offer varied payment modalities and attractive financing schemes.

Brilliant Earth: Pioneers in championing ethically curated and sustainable diamonds, Brilliant Earth shines brightly when it comes to lab-grown 5 carat diamonds. Each of their lab-sourced diamonds undergoes an intensive grading and authentication phase, promising only the best. Beyond the diamonds, they house an eclectic collection of chic settings, facilitating the creation of a singular, eco-friendly jewel.

When embarking on such a significant purchase, it's paramount to weigh aspects like the caliber of the diamond, client service excellence, warranty provisions, and the flexibility of return guidelines. Prioritizing customer testimonials and in-depth investigation is pivotal in ensuring a trustworthy and gratifying procurement journey.