0.50 ct — 5.2 mm
Delicate and classic. A highly popular size for everyday wear or minimalist settings.

0.75 ct — 5.8 mm
Noticeably larger than a half-carat. It offers a great balance of finger coverage and a delicate look.

1.00 ct — 6.5 mm
The iconic milestone. It has a classic, timeless presence on any hand.

1.25 ct — 6.9 mm
A great "under-the-radar" size that punches visually like a 1.50 ct but saves you even more budget.

1.50 ct — 7.4 mm
Serious finger coverage. This size sits beautifully as a substantial, eye-catching solitaire.

1.75 ct — 7.8 mm
A premium size that looks nearly identical to a 2-carat stone to the naked eye.

2.00 ct — 8.2 mm
The "New Normal" for lab-grown diamonds. This is the most popular upgrade size because lab pricing makes it highly affordable.

2.50 ct — 8.8 mm
A massive look with incredible brilliance. This size will completely dominate the finger.

3.00 ct — 9.4 mm
Showstopper territory. At nearly 10 mm wide, a 3-carat diamond turns heads instantly and requires a sturdy, secure setting.

3.50 ct — 10.0 mm
A rare, ultra-premium weight. You hit the double-digit millimetre mark here, offering jaw-dropping scale.

4.00 ct — 10.4 mm
Exceptionally large. At this scale, any minor colour or clarity issues will be amplified, so prioritise F+ colour and VS1+ clarity.

4.50 ct — 10.8 mm
A true statement piece. This is typically reserved for custom, high-end jewellery designs.

5.00 ct — 11.1 mm
The ultimate collector weight. A massive, luxury-tier rock that covers a huge portion of the finger.