what is the average engagement ring size​?

Average Engagement Ring Size

When people talk about the “average engagement ring size,” they’re usually referring to two things: the ring size itself (how the ring fits on the finger) and the diamond size (measured in carats). Ring size typically ranges from 4 to 10 for women, with the average size usually around 6 or 7 in the U.S. This size fits comfortably for many women, but remember, everyone’s hands are different. It’s always a good idea to discreetly measure your partner’s finger or ask friends or family members if you’re not sure about their size.

Regarding diamond sizes, the average engagement ring in the United States has a center diamond of about 1 to 1.2 carats. However, preferences can vary significantly based on personal tastes, budget, and cultural expectations. While some couples prefer smaller, more modest diamonds for a subtle look or due to budget constraints, others opt for larger diamonds to make a bolder statement. Ultimately, choosing a ring isn’t just about averages, it’s about selecting something meaningful and beautiful that fits your partner’s style and your shared values.

Average Engagement Ring Size Chart

Country	Average Ring Size	Ring Size System	Approx. Diameter (mm)	Approx. Circumference (mm)
USA	6 – 7	US Standard	16.5 mm	51.8 mm
UK	L to M	UK/AU Standard	16.3–16.7 mm	51.2–52.5 mm
Canada	6 – 7	US Standard	16.5 mm	51.8 mm
Australia	L to M	UK/AU Standard	16.3–16.7 mm	51.2–52.5 mm
EU	52	EU Standard (Circumference)	~16.5 mm	52 mm

Notes:

• US and Canada use the same numerical sizing system.
• UK and Australia use an alphabetical system.
• EU sizes are usually based on the internal circumference in millimeters.
• Size 6 US ≈ UK size L 1/2 ≈ EU size 52.