Which carat diamond is the best? How to pick the carat weight for your engagement ring.

Diamonds are timeless symbols of love and elegance, but navigating the world of diamonds can be overwhelming, especially when it comes to understanding carats. What does carat mean? How does it affect the appearance and value of a diamond? And ultimately, which carat diamond is best for you? In this guide, we'll delve into everything you need to know about diamond carats to help you make an informed decision.


What does carat mean in diamonds?

The term "carat" refers to the unit of weight used to measure diamonds and other gemstones. One carat is equivalent to 200 milligrams or 0.2 grams. However, carat weight alone does not determine a diamond's value or appearance. Other factors such as cut, colour, and clarity also play significant roles in determining a diamond's overall quality and beauty.

What does a 1 carat diamond look like?

A 1 carat diamond is a popular choice for engagement rings and other jewellery. However, the appearance of a 1 carat diamond can vary depending on its cut. Generally, a well-cut 1 carat diamond will have a diameter of around 6.5mm, but this can vary slightly depending on the diamond's proportions. When choosing a 1 carat diamond, it's essential to consider factors such as cut quality and diamond shape to ensure maximum brilliance and sparkle. At Lily Arkwright our expert team of diamond buyers hand pick excellent cut VS1 clarity diamonds in your desired carat weight to take the stress out of the process and insure you are thrilled with your choice. Other specifications are available on request. 

Picture above - The Lily Arkwright Lottie Ring featuring a 1.00ct brilliant round cut diamond. 


Diamond carat guide:

When selecting a diamond, it's crucial to understand how carat weight affects a diamond's appearance and value. Here's a brief guide to diamond carats:

Carat Weight Range: Diamonds are available in a wide range of carat weights, from small accent diamonds weighing fractions of a carat to large, statement-making diamonds weighing several carats.


Pictured Here - The Lily Arkwright Lovetta Ring


Price Consideration: Generally, as the carat weight of a diamond increases, so does its price. However, other factors such as cut, colour, and clarity also influence the overall cost of a diamond.

Appearance: While carat weight is important, it's essential to prioritise a diamond's cut quality for maximum brilliance and sparkle. A well-cut diamond will appear larger and more radiant than a poorly cut diamond of the same carat weight.

Diamond carat size comparison:

To better understand how diamond carat weight translates into size, consider the following comparisons:

A 0.50 carat diamond typically has a diameter of around 5.2mm.

A 1 carat diamond typically has a diameter of around 6.5mm.

A 2 carat diamond typically has a diameter of around 8.2mm


It's essential to note that carat weight is just one aspect of a diamond's overall beauty, and smaller diamonds can appear more significant with proper cut and setting.

What carat diamond should you choose?

Ultimately, the best carat diamond for you depends on your personal preferences, budget, and intended use. Here are some factors to consider when choosing a carat diamond:

Budget: Determine your budget and prioritise factors such as cut and clarity before focusing on carat weight.

Finger Size: Consider your finger size and hand proportions when selecting a diamond size that complements your engagement ring or jewellery.

Setting and Style: Choose a diamond size that suits the setting and style of your desired jewellery piece. A delicate setting may be overwhelmed by a large diamond, while a bold setting can accommodate a larger stone.

Personal Preference: Ultimately, choose a diamond size that feels right for you. Whether you prefer a subtle sparkle or a dazzling statement piece, trust your instincts and select a diamond that reflects your unique style and personality.


Coco 2.00ct Elongated Cushion Cut Lab Diamond 950 Platinum Petite Hidden Halo Triple Pavé Lily Arkwright Engagement Ring

In conclusion, diamond carat weight is a crucial factor to consider when purchasing a diamond, but it's essential to prioritise factors such as cut, colour, and clarity for maximum brilliance and beauty. By understanding what carat means in diamonds, comparing diamond carat sizes, and considering personal preferences and budget, you can confidently select the perfect diamond for your engagement ring or jewellery piece. Remember, it's not just about the size of the diamond—it's about the quality and craftsmanship that make it truly shine.