Skip to next element

Complimentry Gift on Order £1000+

30-Day Returns

Free Insured Worldwide Delivery

Country & Language

Does Round or Oval Diamond Look Bigger? A Comprehensive Guide to Diamond Shapes

Does Round or Oval Diamond Look Bigger? A Comprehensive Guide to Diamond Shapes

Introduction

Can true luxury also be truly ethical? This is a question many of us ponder as we navigate the world of fine jewellery. With the rise of ethical consumerism, more individuals are seeking not just beauty in their jewellery choices but also a commitment to sustainability and responsible sourcing. At DiamondsByUK, we believe that jewellery should reflect not only your personal style but also your values.

When it comes to selecting an engagement ring, the choice of diamond shape is pivotal. Among the most popular options are round and oval diamonds. But which one truly looks bigger? Understanding the visual effects of these shapes can help you make an informed decision that aligns with your aesthetic preferences and ethical considerations.

In this guide, we will delve into the nuances of round and oval diamonds, exploring their characteristics, appearance, and how they fit into the larger narrative of sustainable luxury. We will also highlight our commitment to providing beautiful, lab-grown diamonds that are IGI-certified, conflict-free, and customizable to fit your unique style. Are you dreaming of a piece of jewellery that’s as unique as your story? Let’s explore the fascinating world of diamond shapes together.

Understanding Diamond Shapes

The Basics of Diamond Shapes

Diamonds come in a variety of shapes, each with its own unique appeal and characteristics. The two shapes we will focus on—round and oval—are among the most sought after for engagement rings and other fine jewellery pieces.

  • Round Diamonds: This shape is renowned for its brilliance and timeless elegance. The round cut, with its 58 facets, is designed to maximize sparkle and light performance. It’s the most popular choice for engagement rings, accounting for over 75% of all diamond sales.
  • Oval Diamonds: This shape offers a modern twist on the classic round cut, providing a unique silhouette that elongates the finger. Oval diamonds are cut with a similar number of facets as round diamonds, which allows them to reflect light beautifully. They are an excellent choice for those seeking something distinctive yet timeless.

Understanding the fundamentals of these shapes sets the stage for our discussion on how they stack up against each other in terms of appearance and perception.

The 4Cs of Diamonds: Clarity, Cut, Color, and Carat Weight

Before we dive deeper into the comparison, it’s essential to understand the four critical factors that determine a diamond's quality:

  1. Clarity: Refers to the presence of internal or external imperfections (inclusions and blemishes) in the diamond.
  2. Cut: The quality of the diamond’s cut affects its brilliance and overall appearance. This is not just about the shape but how well the diamond is designed and crafted.
  3. Color: Diamonds are graded based on the absence of color. The most sought-after diamonds are colorless or near-colorless.
  4. Carat Weight: This measures the size of the diamond. However, it's important to note that carat weight does not always correlate directly with the visual size of a diamond, as we will explore further.

Understanding these factors is crucial when considering which diamond shape might appear larger or more dazzling on your finger.

Round vs. Oval Diamonds: The Size Illusion

Visual Size Comparison

One of the most significant aspects to consider when choosing between round and oval diamonds is how they appear on the finger. Interestingly, oval diamonds tend to look larger than round diamonds of the same carat weight. This phenomenon can be attributed to several factors:

  1. Surface Area: Oval diamonds typically have about 10% more surface area than round diamonds of the same weight. This means that when viewed from above, an oval diamond will appear larger due to its elongated shape.
  2. Length-to-Width Ratio: The ideal length-to-width ratio for an oval diamond ranges from 1.30 to 1.50. This ratio plays a crucial role in determining how elongated the stone appears. A higher ratio makes the oval look longer and, therefore, larger, while a lower ratio results in a rounder appearance.
  3. Optical Illusion: The unique shape of an oval diamond creates an optical illusion that can make it seem larger than its actual size. The eye tends to perceive length more than width, which contributes to the oval's larger appearance.

Real-World Example

To illustrate this, let’s consider a 1-carat round diamond, which typically measures about 6.5mm in diameter. In contrast, a 1-carat oval diamond can measure around 7.7mm x 5.7mm. This difference in dimensions highlights how the oval cut can create the illusion of a larger diamond, providing maximum visual impact without requiring a higher carat weight.

The Sparkle Factor: Brilliance and Fire

Round Diamonds: The Kings of Sparkle

Round diamonds are renowned for their brilliance, which is the light reflected from the diamond. Their cut is meticulously designed to maximize light performance, ensuring that they sparkle beautifully under various lighting conditions. The 58 facets of a round diamond are strategically placed to create a stunning display of fire and scintillation.

Oval Diamonds: A Unique Brilliance

While oval diamonds also exhibit excellent brilliance, they may sometimes show a slightly different light performance compared to round diamonds. The oval shape reflects light effectively, but the distribution of light may vary depending on the length-to-width ratio and the quality of the cut. It's crucial to choose a high-quality oval diamond to ensure that it sparkles just as beautifully as its round counterpart.

The Practical Considerations: Rarity and Pricing

Rarity of Shapes

When it comes to rarity, oval diamonds can be considered less common than round diamonds. The round cut dominates the market, leading to a wider selection and often higher prices due to demand. Oval diamonds, while still popular, may offer a more unique choice for those seeking something distinctive.

Pricing Dynamics

Typically, round diamonds are priced higher than oval diamonds of similar quality and carat weight. This price difference arises from the higher demand for round cuts and the greater amount of rough diamond that is lost in the cutting process of round shapes. When choosing between the two, consider your budget and whether you prefer the timeless appeal of a round diamond or the modern elegance of an oval.

Choosing the Right Setting to Enhance Size

The Importance of Setting

The setting you choose for your diamond can significantly influence its appearance. A well-designed setting can enhance the visual size and brilliance of the diamond. Here are some popular settings for both round and oval diamonds:

  1. Solitaire Setting: A timeless choice that highlights the diamond’s beauty, allowing it to take center stage. This setting works beautifully for both round and oval diamonds.
  2. Halo Setting: Surrounding the center diamond with smaller diamonds can create an illusion of a larger center stone. This setting is particularly effective with both round and oval shapes.
  3. Pavé Setting: This involves small diamonds set into the band, which can add extra sparkle and make the center diamond appear larger.
  4. East-West Setting: Particularly striking with oval diamonds, this setting places the diamond horizontally, emphasizing its length and creating a unique look.

Metal Choices

The choice of metal in the setting can also impact how large the diamond appears. Lighter metals, like white gold and platinum, enhance the diamond's brightness and can make it appear larger. Conversely, yellow or rose gold settings can create a warm contrast, which may highlight the diamond's shape but could potentially make it appear smaller.

Customization and Personalization: Our Approach at DiamondsByUK

At DiamondsByUK, we pride ourselves on our commitment to sustainability, craftsmanship, and customer-focused service. Our lab-grown diamonds are IGI-certified, ensuring that you receive a beautiful, conflict-free stone. We specialize in providing fully customizable pieces, allowing you to create a unique design that reflects your individual style.

Design Your Bespoke Jewellery with DiamondsByUK

Whether you are enchanted by the brilliance of a round diamond or the elegance of an oval diamond, we invite you to Design Your Bespoke Jewellery with DiamondsByUK. Our dedicated team is here to guide you through the customization process, ensuring that your piece is as unique as your love story. With a turnaround time of just 1–2 weeks, your dream ring is closer than you think!

Conclusion

Choosing between a round and an oval diamond ultimately depends on personal preference, budget, and the visual impact you desire. While round diamonds are celebrated for their timeless sparkle, oval diamonds offer a modern twist that can create the illusion of a larger size. At DiamondsByUK, we believe in making ethical luxury accessible, providing you with the option to choose lab-grown diamonds that align with your values.

As you embark on your journey to find the perfect engagement ring or piece of fine jewellery, remember to consider both the aesthetics and the ethical dimensions of your choice. Explore our stunning Oval Diamond Collection today and discover the beauty of sustainable luxury.

FAQ

1. Do oval diamonds really look bigger than round diamonds?

Yes, oval diamonds typically appear larger than round diamonds of the same carat weight due to their elongated shape and greater surface area.

2. Are lab-grown diamonds as good as natural diamonds?

Absolutely! Lab-grown diamonds are chemically and physically identical to natural diamonds. They are also more sustainable and conflict-free, making them an ethical choice.

3. How can I customize my diamond ring?

At DiamondsByUK, we offer a fully customizable experience. You can choose the diamond shape, setting, metal type, and more to create a unique piece that reflects your style. Contact Us to Create Your Unique Piece – almost any design is fully customizable.

4. What is the turnaround time for custom designs?

Our bespoke jewellery designs typically have a turnaround time of just 1-2 weeks, allowing you to receive your beautiful piece in a timely manner.

5. What should I consider when choosing a diamond shape?

Consider the visual impact, your personal style, the qualities of the diamond (like the 4Cs), and how the diamond will look in different settings. Each shape offers unique benefits, so choose one that resonates with you.

Embark on your journey toward ethical luxury today with DiamondsByUK! Explore our stunning Oval Diamond Collection and let us help you create a piece that tells your story.