1.0 Carat Roundvs2.5 Carat Round

When comparing a 1 carat Round to a 2.5 carat Round, the 2.5 carat Round appears visually larger. It has a face-up surface area that is approximately 83% larger than the 1 carat Round. You gain approximately 2.3mm in width by choosing the 2.5 carat Round over the 1 carat version.

Detailed Measurements:

The 1 carat round diamond measures 6.5mm × 6.5mm, while the 2.5 carat round measures 8.8mm × 8.8mm. The 2.5 carat round covers approximately 52% of the width of an average finger (size 6.5), creating a substantial, eye-catching presence.

Shopping Considerations:

Use the interactive visual tool above to see these diamonds side-by-side with a US dime for real-world scale reference. The measurements shown are based on well-cut diamonds with standard proportions.

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