Sizing Chart

Find Your Perfect Ring Size | Ceylon Brilliance Co.

Choosing the right ring size ensures a comfortable and secure fit. Use our ring size chart and measurement guide to find your perfect size.


💍 Ring Size Chart

US Size UK Size EU Size Inside Diameter (mm) Inside Circumference (mm)
4 H 46 14.8 mm 46.5 mm
4.5 I 47 15.2 mm 47.8 mm
5 J 49 15.7 mm 49.3 mm
5.5 K 50 16.1 mm 50.6 mm
6 L 52 16.5 mm 51.9 mm
6.5 M 53 16.9 mm 53.1 mm
7 N 54 17.3 mm 54.4 mm
7.5 O 56 17.7 mm 55.7 mm
8 P 57 18.1 mm 57.0 mm
8.5 Q 58 18.5 mm 58.3 mm
9 R 59 19.0 mm 59.5 mm
9.5 S 61 19.4 mm 60.8 mm
10 T 62 19.8 mm 62.1 mm
10.5 U 63 20.2 mm 63.4 mm
11 V 65 20.6 mm 64.6 mm
11.5 W 66 21.0 mm 65.9 mm
12 X 67 21.4 mm 67.2 mm

📏 How to Measure Your Ring Size

Option 1: Measure an Existing Ring

  1. Take a ring that fits the desired finger.
  2. Measure the inside diameter using a ruler (in mm).
  3. Match it with the size chart above.

Option 2: Measure Your Finger

  1. Wrap a thin strip of paper or string around the base of your finger.
  2. Mark where it overlaps and measure the length in mm.
  3. Use the inside circumference column in the chart to find your size.

💎 Need Help?

Still unsure about your ring size? Contact us for expert assistance!

📧 Email: ceylonbrillianceco@gmail.com
📞 Phone: +94 74 012 2097